diff --git a/dexter-dev-env-b05da431ead6.json b/dexter-dev-env-code.json
similarity index 100%
rename from dexter-dev-env-b05da431ead6.json
rename to dexter-dev-env-code.json
diff --git a/dxf-parser.js b/dxf-parser.js
deleted file mode 100755
index 323cb86b..00000000
--- a/dxf-parser.js
+++ /dev/null
@@ -1,2018 +0,0 @@
-/*downloaded from https://github.com/gdsestimating/dxf-parser on Aug 15 by Fry and hacked
-to remove all the export junk.
-This version of the file contains all 3 of the color table, scanner, and parser.
-The last mod date on the file is May 27, 2016
- */
-
-/**
- * AutoCad files sometimes use an indexed color value between 1 and 255 inclusive.
- * Each value corresponds to a color. index 1 is red, that is 16711680 or 0xFF0000.
- * index 0 and 256, while included in this array, are actually reserved for inheritance
- * values in AutoCad so they should not be used for index color lookups.
- */
-
-var AUTO_CAD_COLOR_INDEX = [
- 0,
- 16711680,
- 16776960,
- 65280,
- 65535,
- 255,
- 16711935,
- 16777215,
- 8421504,
- 12632256,
- 16711680,
- 16744319,
- 13369344,
- 13395558,
- 10027008,
- 10046540,
- 8323072,
- 8339263,
- 4980736,
- 4990502,
- 16727808,
- 16752511,
- 13382400,
- 13401958,
- 10036736,
- 10051404,
- 8331008,
- 8343359,
- 4985600,
- 4992806,
- 16744192,
- 16760703,
- 13395456,
- 13408614,
- 10046464,
- 10056268,
- 8339200,
- 8347455,
- 4990464,
- 4995366,
- 16760576,
- 16768895,
- 13408512,
- 13415014,
- 10056192,
- 10061132,
- 8347392,
- 8351551,
- 4995328,
- 4997670,
- 16776960,
- 16777087,
- 13421568,
- 13421670,
- 10000384,
- 10000460,
- 8355584,
- 8355647,
- 5000192,
- 5000230,
- 12582656,
- 14679935,
- 10079232,
- 11717734,
- 7510016,
- 8755276,
- 6258432,
- 7307071,
- 3755008,
- 4344870,
- 8388352,
- 12582783,
- 6736896,
- 10079334,
- 5019648,
- 7510092,
- 4161280,
- 6258495,
- 2509824,
- 3755046,
- 4194048,
- 10485631,
- 3394560,
- 8375398,
- 2529280,
- 6264908,
- 2064128,
- 5209919,
- 1264640,
- 3099686,
- 65280,
- 8388479,
- 52224,
- 6736998,
- 38912,
- 5019724,
- 32512,
- 4161343,
- 19456,
- 2509862,
- 65343,
- 8388511,
- 52275,
- 6737023,
- 38950,
- 5019743,
- 32543,
- 4161359,
- 19475,
- 2509871,
- 65407,
- 8388543,
- 52326,
- 6737049,
- 38988,
- 5019762,
- 32575,
- 4161375,
- 19494,
- 2509881,
- 65471,
- 8388575,
- 52377,
- 6737074,
- 39026,
- 5019781,
- 32607,
- 4161391,
- 19513,
- 2509890,
- 65535,
- 8388607,
- 52428,
- 6737100,
- 39064,
- 5019800,
- 32639,
- 4161407,
- 19532,
- 2509900,
- 49151,
- 8380415,
- 39372,
- 6730444,
- 29336,
- 5014936,
- 24447,
- 4157311,
- 14668,
- 2507340,
- 32767,
- 8372223,
- 26316,
- 6724044,
- 19608,
- 5010072,
- 16255,
- 4153215,
- 9804,
- 2505036,
- 16383,
- 8364031,
- 13260,
- 6717388,
- 9880,
- 5005208,
- 8063,
- 4149119,
- 4940,
- 2502476,
- 255,
- 8355839,
- 204,
- 6710988,
- 152,
- 5000344,
- 127,
- 4145023,
- 76,
- 2500172,
- 4129023,
- 10452991,
- 3342540,
- 8349388,
- 2490520,
- 6245528,
- 2031743,
- 5193599,
- 1245260,
- 3089996,
- 8323327,
- 12550143,
- 6684876,
- 10053324,
- 4980888,
- 7490712,
- 4128895,
- 6242175,
- 2490444,
- 3745356,
- 12517631,
- 14647295,
- 10027212,
- 11691724,
- 7471256,
- 8735896,
- 6226047,
- 7290751,
- 3735628,
- 4335180,
- 16711935,
- 16744447,
- 13369548,
- 13395660,
- 9961624,
- 9981080,
- 8323199,
- 8339327,
- 4980812,
- 4990540,
- 16711871,
- 16744415,
- 13369497,
- 13395634,
- 9961586,
- 9981061,
- 8323167,
- 8339311,
- 4980793,
- 4990530,
- 16711807,
- 16744383,
- 13369446,
- 13395609,
- 9961548,
- 9981042,
- 8323135,
- 8339295,
- 4980774,
- 4990521,
- 16711743,
- 16744351,
- 13369395,
- 13395583,
- 9961510,
- 9981023,
- 8323103,
- 8339279,
- 4980755,
- 4990511,
- 3355443,
- 5987163,
- 8684676,
- 11382189,
- 14079702,
- 16777215
-]
-
-/**
- * DxfArrayScanner
- *
- * Based off the AutoCad 2012 DXF Reference
- * http://images.autodesk.com/adsk/files/autocad_2012_pdf_dxf-reference_enu.pdf
- *
- * Reads through an array representing lines of a dxf file. Takes an array and
- * provides an easy interface to extract group code and value pairs.
- * @param data - an array where each element represents a line in the dxf file
- * @constructor
- */
-function DxfArrayScanner(data) {
-	this._pointer = 0;
-	this._data = data;
-	this._eof = false;
-}
-
-/**
- * Gets the next group (code, value) from the array. A group is two consecutive elements
- * in the array. The first is the code, the second is the value.
- * @returns {{code: Number}|*}
- */
-DxfArrayScanner.prototype.next = function() {
-	var group;
-	if(!this.hasNext()) {
-		if(!this._eof)
-			throw new Error('Unexpected end of input: EOF group not read before end of file. Ended on code ' + this._data[this._pointer]);
-		else
-			throw new Error('Cannot call \'next\' after EOF group has been read');
-	}
-
-	group = {
-		code: parseInt(this._data[this._pointer])
-	};
-
-	this._pointer++;
-
-	group.value = parseGroupValue(group.code, this._data[this._pointer].trim());
-	
-	this._pointer++;
-
-	if(group.code === 0 && group.value === 'EOF') this._eof = true;
-
-	return group;
-};
-
-/**
- * Returns true if there is another code/value pair (2 elements in the array).
- * @returns {boolean}
- */
-DxfArrayScanner.prototype.hasNext = function() {
-	// Check if we have read EOF group code
-	if(this._eof) {
-		return false;
-	}
-	
-	// We need to be sure there are two lines available
-	if(this._pointer > this._data.length - 2) {
-		return false;
-	}
-	return true;
-};
-
-/**
- * Returns true if the scanner is at the end of the array
- * @returns {boolean}
- */
-DxfArrayScanner.prototype.isEOF = function() {
-	return this._eof;
-};
-
-/**
- * Parse a value to its proper type.
- * See pages 3 - 10 of the AutoCad DXF 2012 reference given at the top of this file
- *
- * @param code
- * @param value
- * @returns {*}
- */
-function parseGroupValue(code, value) {
-	if(code <= 9) return value;
-	if(code >= 10 && code <= 59) return parseFloat(value);
-	if(code >= 60 && code <= 99) return parseInt(value);
-	if(code >= 100 && code <= 109) return value;
-	if(code >= 110 && code <= 149) return parseFloat(value);
-	if(code >= 160 && code <= 179) return parseInt(value);
-	if(code >= 210 && code <= 239) return parseFloat(value);
-	if(code >= 270 && code <= 289) return parseInt(value);
-	if(code >= 290 && code <= 299) return parseBoolean(value);
-	if(code >= 300 && code <= 369) return value;
-	if(code >= 370 && code <= 389) return parseInt(value);
-	if(code >= 390 && code <= 399) return value;
-	if(code >= 400 && code <= 409) return parseInt(value);
-	if(code >= 410 && code <= 419) return value;
-	if(code >= 420 && code <= 429) return parseInt(value);
-	if(code >= 430 && code <= 439) return value;
-	if(code >= 440 && code <= 459) return parseInt(value);
-	if(code >= 460 && code <= 469) return parseFloat(value);
-	if(code >= 470 && code <= 481) return value;
-	if(code === 999) return value;
-	if(code >= 1000 && code <= 1009) return value;
-	if(code >= 1010 && code <= 1059) return parseFloat(value);
-	if(code >= 1060 && code <= 1071) return parseInt(value);
-
-	console.log('WARNING: Group code does not have a defined type: %j', { code: code, value: value });
-	return value;
-}
-
-/**
- * Parse a boolean according to a 1 or 0 value
- * @param str
- * @returns {boolean}
- */
-function parseBoolean(str) {
-	if(str === '0') return false;
-	if(str === '1') return true;
-	throw TypeError('String \'' + str + '\' cannot be cast to Boolean type');
-}
-
-
-//fry comment out   var log = require('loglevel');
-
-//log.setLevel('trace');
-//log.setLevel('debug');
-//log.setLevel('info');
-//log.setLevel('warn');
-//fry comment out   log.setLevel('error');
-//log.setLevel('silent');
-
-
-function DxfParser(stream) {}
-
-DxfParser.prototype.parse = function(source, done) {
-	throw new Error("read() not implemented. Use readSync()");
-};
-
-DxfParser.prototype.parseSync = function(source) {
-	if(typeof(source) === 'string') {
-		return this._parse(source);
-	}else {
-		console.error('Cannot read dxf source of type `' + typeof(source));
-		return null;
-	}
-};
-
-DxfParser.prototype.parseStream = function(stream, done) {
-
-	var dxfString = "";
-	var self = this;
-
-	stream.on('data', onData);
-	stream.on('end', onEnd);
-	stream.on('error', onError);
-
-	function onData(chunk) {
-		dxfString += chunk;
-	}
-
-	function onEnd() {
-		try {
-			var dxf = self._parse(dxfString);
-		}catch(err) {
-			return done(err);
-		}
-		done(null, dxf);
-	}
-
-	function onError(err) {
-		done(err);
-	}
-};
-
-DxfParser.prototype._parse = function(dxfString) {
-	var scanner, curr, dxf = {}, lastHandle = 0;
-	var dxfLinesArray = dxfString.split(/\r\n|\r|\n/g);
-
-	scanner = new DxfArrayScanner(dxfLinesArray);
-	if(!scanner.hasNext()) throw Error('Empty file');
-
-	var parseAll = function() {
-		curr = scanner.next();
-		while(!scanner.isEOF()) {
-			if(curr.code === 0 && curr.value === 'SECTION') {
-				curr = scanner.next();
-
-				// Be sure we are reading a section code
-				if (curr.code !== 2) {
-					console.error('Unexpected code %s after 0:SECTION', debugCode(curr));
-					curr = scanner.next();
-					continue;
-				}
-
-				if (curr.value === 'HEADER') {
-					log.debug('> HEADER');
-					dxf.header = parseHeader();
-					log.debug('<');
-				} else if (curr.value === 'BLOCKS') {
-					log.debug('> BLOCKS');
-					dxf.blocks = parseBlocks();
-					log.debug('<');
-				} else if(curr.value === 'ENTITIES') {
-					log.debug('> ENTITIES');
-					dxf.entities = parseEntities(false);
-					log.debug('<');
-				} else if(curr.value === 'TABLES') {
-					log.debug('> TABLES');
-					dxf.tables = parseTables();
-					log.debug('<');
-				} else if(curr.value === 'EOF') {
-					log.debug('EOF');
-				} else {
-					log.warn('Skipping section \'%s\'', curr.value);
-				}
-			} else {
-				curr = scanner.next();
-			}
-			// If is a new section
-		}
-	};
-
-	var groupIs = function(code, value) {
-		return curr.code === code && curr.value === value;
-	};
-
-	/**
-	 *
-	 * @return {object} header
-	 */
-	var parseHeader = function() {
-		// interesting variables:
-		//  $ACADVER, $VIEWDIR, $VIEWSIZE, $VIEWCTR, $TDCREATE, $TDUPDATE
-		// http://www.autodesk.com/techpubs/autocad/acadr14/dxf/header_section_al_u05_c.htm
-		// Also see VPORT table entries
-		var currVarName = null, currVarValue = null;
-		var header = {};
-		// loop through header variables
-		curr = scanner.next();
-
-		while(true) {
-			if(groupIs(0, 'ENDSEC')) {
-				if(currVarName) header[currVarName] = currVarValue;
-				break;
-			} else if(curr.code === 9) {
-				if(currVarName) header[currVarName] = currVarValue;
-				currVarName = curr.value;
-				// Filter here for particular variables we are interested in
-			} else {
-				if(curr.code === 10) {
-					currVarValue = { x: curr.value };
-				} else if(curr.code === 20) {
-					currVarValue.y = curr.value;
-				} else if(curr.code === 30) {
-					currVarValue.z = curr.value;
-				} else {
-					currVarValue = curr.value;
-				}
-			}
-			curr = scanner.next();
-		}
-		// console.log(util.inspect(header, { colors: true, depth: null }));
-		curr = scanner.next(); // swallow up ENDSEC
-		return header;
-	};
-
-
-	/**
-	 *
-	 */
-	var parseBlocks = function() {
-		var blocks = {}, block;
-		
-        curr = scanner.next();
-		
-		while(curr.value !== 'EOF') {
-			if(groupIs(0, 'ENDSEC')) {
-				break;
-			}
-
-			if(groupIs(0, 'BLOCK')) {
-				log.debug('block {');
-				block = parseBlock();
-				log.debug('}');
-				ensureHandle(block);
-                if(!block.name)
-                    log.error('block with handle "' + block.handle + '" is missing a name.');
-				else
-                    blocks[block.name] = block;
-			} else {
-				logUnhandledGroup(curr);
-				curr = scanner.next();
-			}
-		}
-		return blocks;
-	};
-
-	var parseBlock = function() {
-		var block = {};
-		curr = scanner.next();
-
-		while(curr.value !== 'EOF') {
-			switch(curr.code) {
-				case 1:
-					block.xrefPath = curr.value;
-					curr = scanner.next();
-					break;
-				case 2:
-					block.name = curr.value;
-					curr = scanner.next();
-					break;
-				case 3:
-					block.name2 = curr.value;
-					curr = scanner.next();
-					break;
-				case 5:
-					block.handle = curr.value;
-					curr = scanner.next();
-					break;
-				case 8:
-					block.layer = curr.value;
-					curr = scanner.next();
-					break;
-				case 10:
-					block.position = parsePoint();
-					break;
-				case 67:
-					block.paperSpace = (curr.value && curr.value == 1) ? true : false;
-					curr = scanner.next();
-					break;
-				case 70:
-					if (curr.value != 0) {
-						//if(curr.value & BLOCK_ANONYMOUS_FLAG) console.log('  Anonymous block');
-						//if(curr.value & BLOCK_NON_CONSTANT_FLAG) console.log('  Non-constant attributes');
-						//if(curr.value & BLOCK_XREF_FLAG) console.log('  Is xref');
-						//if(curr.value & BLOCK_XREF_OVERLAY_FLAG) console.log('  Is xref overlay');
-						//if(curr.value & BLOCK_EXTERNALLY_DEPENDENT_FLAG) console.log('  Is externally dependent');
-						//if(curr.value & BLOCK_RESOLVED_OR_DEPENDENT_FLAG) console.log('  Is resolved xref or dependent of an xref');
-						//if(curr.value & BLOCK_REFERENCED_XREF) console.log('  This definition is a referenced xref');
-						block.type = curr.value;
-					}
-					curr = scanner.next();
-					break;
-				case 100:
-					// ignore class markers
-					curr = scanner.next();
-					break;
-				case 330:
-					block.ownerHandle = curr.value;
-					curr = scanner.next();
-					break;
-				case 0:
-					if(curr.value == 'ENDBLK')
-						break;
-					block.entities = parseEntities(true);
-					break;
-				default:
-					logUnhandledGroup(curr);
-					curr = scanner.next();
-			}
-			
-			if(groupIs(0, 'ENDBLK')) {
-				curr = scanner.next();
-				break;
-			}
-		}
-		return block;
-	};
-
-	/**
-	 * parseTables
-	 * @return {Object} Object representing tables
-	 */
-	var parseTables = function() {
-		var tables = {};
-		curr = scanner.next();
-		while(curr.value !== 'EOF') {
-			if(groupIs(0, 'ENDSEC'))
-				break;
-
-			if(groupIs(0, 'TABLE')) {
-				curr = scanner.next();
-
-				var tableDefinition = tableDefinitions[curr.value];
-				if(tableDefinition) {
-					log.debug(curr.value + ' Table {');
-					tables[tableDefinitions[curr.value].tableName] = parseTable();
-					log.debug('}');
-				} else {
-					log.debug('Unhandled Table ' + curr.value);
-				}
-			} else {
-				// else ignored
-				curr = scanner.next();
-			}
-		}
-
-		curr = scanner.next();
-		return tables;
-	};
-
-	const END_OF_TABLE_VALUE = 'ENDTAB';
-
-	var parseTable = function() {
-		var tableDefinition = tableDefinitions[curr.value],
-			table = {},
-			expectedCount = 0,
-			actualCount;
-
-		curr = scanner.next();
-		while(!groupIs(0, END_OF_TABLE_VALUE)) {
-
-			switch(curr.code) {
-				case 5:
-					table.handle = curr.value;
-					curr = scanner.next();
-					break;
-				case 330:
-					table.ownerHandle = curr.value;
-					curr = scanner.next();
-					break;
-				case 100:
-					if(curr.value === 'AcDbSymbolTable') {
-						// ignore
-						curr = scanner.next();
-					}else{
-						logUnhandledGroup(curr);
-						curr = scanner.next();
-					}
-					break;
-				case 70:
-					expectedCount = curr.value;
-					curr = scanner.next();
-					break;
-				case 0:
-					if(curr.value === tableDefinition.dxfSymbolName) {
-						table[tableDefinition.tableRecordsProperty] = tableDefinition.parseTableRecords();
-					} else {
-						logUnhandledGroup(curr);
-						curr = scanner.next();
-					}
-					break;
-				default:
-					logUnhandledGroup(curr);
-					curr = scanner.next();
-			}
-		}
-		var tableRecords = table[tableDefinition.tableRecordsProperty];
-		if(tableRecords) {
-			if(tableRecords.constructor === Array){
-				actualCount = tableRecords.length;
-			} else if(typeof(tableRecords) === 'object') {
-				actualCount = Object.keys(tableRecords).length;
-			}
-			if(expectedCount !== actualCount) log.warn('Parsed ' + actualCount + ' ' + tableDefinition.dxfSymbolName + '\'s but expected ' + expectedCount);
-		}
-		curr = scanner.next();
-		return table;
-	};
-
-	var parseViewPortRecords = function() {
-		var viewPorts = [], // Multiple table entries may have the same name indicating a multiple viewport configuration
-			viewPort = {};
-
-		log.debug('ViewPort {');
-		curr = scanner.next();
-		while(!groupIs(0, END_OF_TABLE_VALUE)) {
-
-			switch(curr.code) {
-				case 2: // layer name
-					viewPort.name = curr.value;
-					curr = scanner.next();
-					break;
-				case 10:
-					viewPort.lowerLeftCorner = parsePoint();
-					break;
-				case 11:
-					viewPort.upperRightCorner = parsePoint();
-					break;
-				case 12:
-					viewPort.center = parsePoint();
-					break;
-				case 13:
-					viewPort.snapBasePoint = parsePoint();
-					break;
-				case 14:
-					viewPort.snapSpacing = parsePoint();
-					break;
-				case 15:
-					viewPort.gridSpacing = parsePoint();
-					break;
-				case 16:
-					viewPort.viewDirectionFromTarget = parsePoint();
-					break;
-				case 17:
-					viewPort.viewTarget = parsePoint();
-					break;
-				case 42:
-					viewPort.lensLength = curr.value;
-					curr = scanner.next();
-					break;
-				case 43:
-					viewPort.frontClippingPlane = curr.value;
-					curr = scanner.next();
-					break;
-				case 44:
-					viewPort.backClippingPlane = curr.value;
-					curr = scanner.next();
-					break;
-				case 45:
-					viewPort.viewHeight = curr.value;
-					curr = scanner.next();
-					break;
-				case 50:
-					viewPort.snapRotationAngle = curr.value;
-					curr = scanner.next();
-					break;
-				case 51:
-					viewPort.viewTwistAngle = curr.value;
-					curr = scanner.next();
-					break;
-                case 79:
-                    viewPort.orthographicType = curr.value;
-                    curr = scanner.next();
-                    break;
-				case 110:
-					viewPort.ucsOrigin = parsePoint();
-					break;
-				case 111:
-					viewPort.ucsXAxis = parsePoint();
-					break;
-				case 112:
-					viewPort.ucsYAxis = parsePoint();
-					break;
-				case 110:
-					viewPort.ucsOrigin = parsePoint();
-					break;
-				case 281:
-					viewPort.renderMode = curr.value;
-					curr = scanner.next();
-					break;
-				case 281:
-					// 0 is one distant light, 1 is two distant lights
-					viewPort.defaultLightingType = curr.value;
-					curr = scanner.next();
-					break;
-				case 292:
-					viewPort.defaultLightingOn = curr.value;
-					curr = scanner.next();
-					break;
-				case 330:
-					viewPort.ownerHandle = curr.value;
-					curr = scanner.next();
-					break;
-				case 63:
-				case 421:
-				case 431:
-					viewPort.ambientColor = curr.value;
-					curr = scanner.next();
-					break;
-				case 0:
-					// New ViewPort
-					if(curr.value === 'VPORT') {
-						log.debug('}');
-						viewPorts.push(viewPort);
-						log.debug('ViewPort {');
-						viewPort = {};
-						curr = scanner.next();
-					}
-					break;
-				default:
-					logUnhandledGroup(curr);
-					curr = scanner.next();
-					break;
-			}
-		}
-		// Note: do not call scanner.next() here,
-		//  parseTable() needs the current group
-		log.debug('}');
-		viewPorts.push(viewPort);
-
-		return viewPorts;
-	};
-
-	var parseLineTypes = function() {
-		var ltypes = {},
-			ltypeName,
-			ltype = {},
-			length;
-
-		log.debug('LType {');
-		curr = scanner.next();
-		while(!groupIs(0, 'ENDTAB')) {
-
-			switch(curr.code) {
-				case 2:
-					ltype.name = curr.value;
-					ltypeName = curr.value;
-					curr = scanner.next();
-					break;
-				case 3:
-					ltype.description = curr.value;
-					curr = scanner.next();
-					break;
-				case 73: // Number of elements for this line type (dots, dashes, spaces);
-					length = curr.value;
-					if(length > 0) ltype.pattern = [];
-					curr = scanner.next();
-					break;
-				case 40: // total pattern length
-					ltype.patternLength = curr.value;
-					curr = scanner.next();
-					break;
-				case 49:
-					ltype.pattern.push(curr.value);
-					curr = scanner.next();
-					break;
-				case 0:
-					log.debug('}');
-					if(length > 0 && length !== ltype.pattern.length) log.warn('lengths do not match on LTYPE pattern');
-					ltypes[ltypeName] = ltype;
-					ltype = {};
-					log.debug('LType {');
-					curr = scanner.next();
-					break;
-				default:
-					curr = scanner.next();
-			}
-		}
-
-		log.debug('}');
-		ltypes[ltypeName] = ltype;
-		return ltypes;
-	};
-
-	var parseLayers = function() {
-		var layers = {},
-			layerName,
-			layer = {};
-
-		log.debug('Layer {');
-		curr = scanner.next();
-		while(!groupIs(0, 'ENDTAB')) {
-
-			switch(curr.code) {
-				case 2: // layer name
-					layer.name = curr.value;
-					layerName = curr.value;
-					curr = scanner.next();
-					break;
-				case 62: // color, visibility
-					layer.visible = curr.value <= 0;
-					// TODO 0 and 256 are BYBLOCK and BYLAYER respectively. Need to handle these values for layers?.
-					layer.color = getAcadColor(Math.abs(curr.value));
-					curr = scanner.next();
-					break;
-				case 0:
-					// New Layer
-					if(curr.value === 'LAYER') {
-						log.debug('}');
-						layers[layerName] = layer;
-						log.debug('Layer {');
-						layer = {};
-						layerName = undefined;
-						curr = scanner.next();
-					}
-					break;
-				default:
-					logUnhandledGroup(curr);
-					curr = scanner.next();
-					break;
-			}
-		}
-		// Note: do not call scanner.next() here,
-		//  parseLayerTable() needs the current group
-		log.debug('}');
-		layers[layerName] = layer;
-
-		return layers;
-	};
-
-	var tableDefinitions = {
-		VPORT: {
-			tableRecordsProperty: 'viewPorts',
-			tableName: 'viewPort',
-			dxfSymbolName: 'VPORT',
-			parseTableRecords: parseViewPortRecords
-		},
-		LTYPE: {
-			tableRecordsProperty: 'lineTypes',
-			tableName: 'lineType',
-			dxfSymbolName: 'LTYPE',
-			parseTableRecords: parseLineTypes
-		},
-		LAYER: {
-			tableRecordsProperty: 'layers',
-			tableName: 'layer',
-			dxfSymbolName: 'LAYER',
-			parseTableRecords: parseLayers
-		}
-	};
-
-	/**
-	 * Is called after the parser first reads the 0:ENTITIES group. The scanner
-	 * should be on the start of the first entity already.
-	 * @return {Array} the resulting entities
-	 */
-	var parseEntities = function(forBlock) {
-		var entities = [];
-
-		var endingOnValue = forBlock ? 'ENDBLK' : 'ENDSEC';
-
-		if (!forBlock) {
-			curr = scanner.next();
-		}
-		while(true) {
-
-			if(curr.code === 0) {
-				if(curr.value === endingOnValue) {
-					break;
-				}
-				
-				var entity;
-				// Supported entities here
-				if(curr.value === 'LWPOLYLINE') {
-					log.debug('LWPOLYLINE {');
-					entity = parseLWPOLYLINE();
-					log.debug('}')
-				} else if(curr.value === 'POLYLINE') {
-					log.debug('POLYLINE {');
-					entity = parsePOLYLINE();
-					log.debug('}');
-				} else if(curr.value === 'LINE') {
-					log.debug('LINE {');
-					entity = parseLINE();
-					log.debug('}');
-				} else if(curr.value === 'CIRCLE') {
-					log.debug('CIRCLE {');
-					entity = parseCIRCLE();
-					log.debug('}');
-				} else if(curr.value === 'ARC') {
-					log.debug('ARC {');
-					// similar properties to circle?
-					entity = parseCIRCLE();
-					log.debug('}')
-				} else if(curr.value === 'TEXT') {
-					log.debug('TEXT {');
-					entity = parseTEXT();
-					log.debug('}')
-				} else if(curr.value === 'DIMENSION') {
-					log.debug('DIMENSION {');
-					entity = parseDIMENSION();
-					log.debug('}')
-				} else if(curr.value === 'SOLID') {
-					log.debug('SOLID {');
-					entity = parseSOLID();
-					log.debug('}')
-				} else if(curr.value === 'POINT') {
-					log.debug('POINT {');
-					entity = parsePOINT();
-					log.debug('}')
-				} else if(curr.value === 'MTEXT') {
-					log.debug('MTEXT {');
-					entity = parseMTEXT();
-					log.debug('}')
-				} else if(curr.value === 'ATTDEF') {
-					log.debug('ATTDEF {');
-					entity = parseATTDEF();
-					log.debug('}')
-				} else {
-					log.warn('Unhandled entity ' + curr.value);
-					curr = scanner.next();
-					continue;
-				}
-				ensureHandle(entity);
-				entities.push(entity);
-			} else {
-				// ignored lines from unsupported entity
-				curr = scanner.next();
-			}
-		}
-		// console.log(util.inspect(entities, { colors: true, depth: null }));
-		if(endingOnValue == 'ENDSEC') curr = scanner.next(); // swallow up ENDSEC, but not ENDBLK
-		return entities;
-	};
-
-	/**
-	 *
-	 * @param entity
-	 */
-	var checkCommonEntityProperties = function(entity) {
-		switch(curr.code) {
-			case 0:
-				entity.type = curr.value;
-				curr = scanner.next();
-				break;
-			case 5:
-				entity.handle = curr.value;
-				curr = scanner.next();
-				break;
-			case 6:
-				entity.lineType = curr.value;
-				curr = scanner.next();
-				break;
-			case 8: // Layer name
-				entity.layer = curr.value;
-				curr = scanner.next();
-				break;
-			case 48:
-				entity.lineTypeScale = curr.value;
-				curr = scanner.next();
-				break;
-			case 60:
-				entity.visible = curr.value === 0;
-				curr = scanner.next();
-				break;
-			case 62: // Acad Index Color. 0 inherits ByBlock. 256 inherits ByLayer. Default is bylayer
-				entity.colorIndex = curr.value;
-				entity.color = getAcadColor(Math.abs(curr.value));
-				curr = scanner.next();
-				break;
-			case 67:
-				entity.inPaperSpace = curr.value !== 0;
-				curr = scanner.next();
-				break;
-			case 330:
-				entity.ownerHandle = curr.value;
-				curr = scanner.next();
-				break;
-			case 347:
-				entity.materialObjectHandle = curr.value;
-				curr = scanner.next();
-				break;
-			case 370:
-				// This is technically an enum. Not sure where -2 comes from.
-				//From https://www.woutware.com/Forum/Topic/955/lineweight?returnUrl=%2FForum%2FUserPosts%3FuserId%3D478262319
-				// An integer representing 100th of mm, must be one of the following values:
-				// 0, 5, 9, 13, 15, 18, 20, 25, 30, 35, 40, 50, 53, 60, 70, 80, 90, 100, 106, 120, 140, 158, 200, 211.
-				entity.lineweight = curr.value;
-				curr = scanner.next();
-				break;
-			case 420: // TrueColor Color
-				entity.color = curr.value;
-				curr = scanner.next();
-				break;
-			case 100:
-                //ignore
-                curr = scanner.next();
-                break;
-			default:
-				logUnhandledGroup(curr);
-				curr = scanner.next();
-				break;
-		}
-	};
-
-
-	var parseVertex = function() {
-		var entity = { type: curr.value };
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-				case 10:	// X
-					entity.x = curr.value;
-					curr = scanner.next();
-					break;
-				case 20: // Y
-					entity.y = curr.value;
-					curr = scanner.next();
-					break;
-				case 30: // Z
-					entity.z = curr.value;
-					curr = scanner.next();
-					break;
-				case 40: // start width
-				case 41: // end width
-				case 42: // bulge
-					curr = scanner.next();
-					break;
-				case 70: // flags
-					entity.curveFittingVertex = (curr.value & 1) !== 0;
-					entity.curveFitTangent = (curr.value & 2) !== 0;
-					entity.splineVertex = (curr.value & 8) !== 0;
-					entity.splineControlPoint = (curr.value & 16) !== 0;
-					entity.threeDPolylineVertex = (curr.value & 32) !== 0;
-					entity.threeDPolylineMesh = (curr.value & 64) !== 0;
-					entity.polyfaceMeshVertex = (curr.value & 128) !== 0;
-					curr = scanner.next();
-					break;
-				case 50: // curve fit tangent direction
-				case 71: // polyface mesh vertex index
-				case 72: // polyface mesh vertex index
-				case 73: // polyface mesh vertex index
-				case 74: // polyface mesh vertex index
-					curr = scanner.next();
-					break;
-				default:
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-		return entity;
-	};
-
-	var parseSeqEnd = function() {
-        var entity = { type: curr.value };
-        curr = scanner.next();
-        while(curr != 'EOF') {
-            if (curr.code == 0) break;
-            checkCommonEntityProperties(entity);
-        }
-
-		return entity;
-	};
-
-	/**
-	 * Parses a 2D or 3D point, returning it as an object with x, y, and
-	 * (sometimes) z property if it is 3D. It is assumed the current group
-	 * is x of the point being read in, and scanner.next() will return the
-	 * y. The parser will determine if there is a z point automatically.
-	 * @return {Object} The 2D or 3D point as an object with x, y[, z]
-	 */
-	var parsePoint = function() {
-		var point = {},
-			code = curr.code;
-
-		point.x = curr.value;
-
-		code += 10;
-		curr = scanner.next();
-		if(curr.code != code)
-			throw new Error('Expected code for point value to be ' + code +
-			' but got ' + curr.code + '.');
-		point.y = curr.value;
-
-		code += 10;
-		curr = scanner.next();
-		if(curr.code != code)
-			return point;
-		point.z = curr.value;
-
-		curr = scanner.next(); // advance the scanner before returning
-		return point;
-	};
-
-	var parseLWPolylineVertices = function(n) {
-		if(!n || n <= 0) throw Error('n must be greater than 0 verticies');
-		var vertices = [], i;
-		var vertexIsStarted = false;
-		var vertexIsFinished = false;
-
-		for(i = 0; i < n; i++) {
-			var vertex = {};
-			while(curr !== 'EOF') {
-				if(curr.code === 0 || vertexIsFinished) break;
-	
-				switch(curr.code) {
-					case 10: // X
-						if(vertexIsStarted) {
-							vertexIsFinished = true;
-							continue;
-						}
-						vertex.x = curr.value;
-						vertexIsStarted = true;
-						break;
-					case 20: // Y
-						vertex.y = curr.value;
-						break;
-					case 30: // Z
-						vertex.z = curr.value;
-						break;
-					case 40: // start width
-						vertex.startWidth = curr.value;
-						break;
-					case 41: // end width
-						vertex.endWidth = curr.value;
-						break;
-					case 42: // bulge
-						if(curr.value != 0) vertex.bulge = curr.value;
-						break;
-					default:
-						//todo: mark unhandled somehow?
-						curr = scanner.next();
-						continue;
-				}
-				curr = scanner.next();
-			}
-			// See https://groups.google.com/forum/#!topic/comp.cad.autocad/9gn8s5O_w6E
-			vertices.push(vertex);
-			vertexIsStarted = false;
-			vertexIsFinished = false;
-		}
-		return vertices;
-	};
-
-	var parsePolylineVertices = function() {
-		var vertices = [];
-		while (curr !== 'EOF') {
-			if (curr.code === 0) {
-				if (curr.value === 'VERTEX') {
-					vertices.push(parseVertex());
-				} else if (curr.value === 'SEQEND') {
-					parseSeqEnd();
-					break;
-				}
-			}
-		}
-		return vertices;
-	};
-
-	var parseMTEXT = function() {
-		var entity = { type: curr.value };
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-                case 1:
-                    entity.text = curr.value;
-                    curr = scanner.next();
-                    break;
-                case 3:
-                    entity.text += curr.value;
-                    curr = scanner.next();
-                    break;
-                case 10:
-                    entity.position = parsePoint();
-                    break;
-                case 40:
-                    entity.height = curr.value;
-                    curr = scanner.next();
-                    break;
-                case 41:
-                    entity.width = curr.value;
-                    curr = scanner.next();
-                    break;
-                case 71:
-                    entity.attachmentPoint = curr.value;
-                    curr = scanner.next();
-                    break;
-                case 72:
-                    entity.drawingDirection = curr.value;
-                    curr = scanner.next();
-                    break;
-				default:
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-		return entity;
-	};
-
-	var parseATTDEF = function() {
-		var entity = {
-			type: curr.value,
-			scale: 1,
-			textStyle: 'STANDARD'
-		 };
-		curr = scanner.next();
-		while (curr !== 'EOF') {
-			if (curr.code === 0) {
-				break;
-			}
-			switch(curr.code) {
-				case 1:
-					entity.text = curr.value;
-					curr = scanner.next();
-					break;
-				case 2:
-					entity.tag = curr.value;
-					curr = scanner.next();
-					break;
-				case 3:
-					entity.prompt = curr.value;
-					curr = scanner.next();
-					break;
-				case 7:
-					entity.textStyle = curr.value;
-					curr = scanner.next();
-					break;
-				case 10:
-					entity.x = curr.value;
-					curr = scanner.next();
-					break;
-				case 20:
-					entity.y = curr.value;
-					curr = scanner.next();
-					break;
-				case 30:
-					entity.z = curr.value;
-					curr = scanner.next();
-					break;
-				case 39:
-					entity.thickness = curr.value;
-					curr = scanner.next();
-					break;
-				case 40:
-					entity.textHeight = curr.value;
-					curr = scanner.next();
-					break;
-				case 41:
-					entity.scale = curr.value;
-					curr = scanner.next();
-					break;
-				case 50:
-					entity.rotation = curr.value;
-					curr = scanner.next();
-					break;
-				case 51:
-					entity.obliqueAngle = curr.value;
-					curr = scanner.next();
-					break;
-				case 70:
-					entity.invisible = !!(curr.value & 0x01);
-					entity.constant = !!(curr.value & 0x02);
-					entity.verificationRequired = !!(curr.value & 0x04);
-					entity.preset = !!(curr.value & 0x08);
-					curr = scanner.next();
-					break;
-				case 71:
-					entity.backwards = !!(curr.value & 0x02);
-					entity.mirrored = !!(curr.value & 0x04);
-					curr = scanner.next();
-					break;
-				case 72:
-					// TODO: enum values?
-					entity.horizontalJustification = curr.value;
-					curr = scanner.next();
-					break;
-				case 73:
-					entity.fieldLength = curr.value;
-					curr = scanner.next();
-					break;
-				case 74:
-					// TODO: enum values?
-					entity.verticalJustification = curr.value;
-					curr = scanner.next();
-					break;
-				case 100:
-					// subclass
-					curr = scanner.next();
-					break;
-				case 210:
-					entity.extrusionDirectionX = curr.value;
-					curr = scanner.next();
-					break;
-				case 220:
-					entity.extrusionDirectionY = curr.value;
-					curr = scanner.next();
-					break;
-				case 230:
-					entity.extrusionDirectionZ = curr.value;
-					curr = scanner.next();
-					break;
-				default:
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-
-		return entity;
-	};
-
-	/**
-	 * Called when the parser reads the beginning of a new entity,
-	 * 0:LWPOLYLINE. Scanner.next() will return the first attribute of the
-	 * entity.
-	 * @return {Object} the entity parsed
-	 */
-	var parseLWPOLYLINE = function() {
-		var entity = { type: curr.value, vertices: [] },
-			numberOfVertices = 0;
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-				case 38:
-					entity.elevation = curr.value;
-					curr = scanner.next();
-					break;
-				case 39:
-					entity.depth = curr.value;
-					curr = scanner.next();
-					break;
-				case 70: // 1 = Closed shape, 128 = plinegen?, 0 = default
-					entity.shape = (curr.value === 1);
-					curr = scanner.next();
-					break;
-				case 90:
-					numberOfVertices = curr.value;
-					curr = scanner.next();
-					break;
-				case 10: // X coordinate of point
-					entity.vertices = parseLWPolylineVertices(numberOfVertices);
-					break;
-				case 43:
-					if(curr.value !== 0) entity.width = curr.value;
-					curr = scanner.next();
-					break;
-				default:
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-		return entity;
-	};
-
-	/**
-	 * Called when the parser reads the beginning of a new entity,
-	 * 0:POLYLINE. Scanner.next() will return the first attribute of the
-	 * entity.
-	 * @return {Object} the entity parsed
-	 */
-	var parsePOLYLINE = function() {
-		var entity = { type: curr.value, vertices: [] };
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-				case 10: // always 0
-				case 20: // always 0
-				case 30: // elevation
-				case 39: // thickness
-                    entity.thickness = curr.value;
-					curr = scanner.next();
-					break;
-				case 40: // start width
-				case 41: // end width
-					curr = scanner.next();
-					break;
-				case 70:
-					entity.shape = (curr.value & 1) !== 0;
-                    entity.includesCurveFitVertices = (curr.value & 2) !== 0;
-                    entity.includesSplineFitVertices = (curr.value & 4) !== 0;
-                    entity.is3dPolyline = (curr.value & 8) !== 0;
-                    entity.is3dPolygonMesh = (curr.value & 16) !== 0;
-                    entity.is3dPolygonMeshClosed = (curr.value & 32) !== 0; // 32 = The polygon mesh is closed in the N direction
-                    entity.isPolyfaceMesh = (curr.value & 64) !== 0;
-                    entity.hasContinuousLinetypePattern = (curr.value & 128) !== 0;
-					curr = scanner.next();
-					break;
-				case 71: // Polygon mesh M vertex count
-				case 72: // Polygon mesh N vertex count
-				case 73: // Smooth surface M density
-				case 74: // Smooth surface N density
-				case 75: // Curves and smooth surface type
-					curr = scanner.next();
-					break;
-				case 210:
-                    extrusionDirection = parsePoint();
-					break;
-				default:
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-
-		entity.vertices = parsePolylineVertices();
-
-		return entity;
-	};
-
-
-	/**
-	 * Called when the parser reads the beginning of a new entity,
-	 * 0:LINE. Scanner.next() will return the first attribute of the
-	 * entity.
-	 * @return {Object} the entity parsed
-	 */
-	var parseLINE = function() {
-		var entity = { type: curr.value, vertices: [] };
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-				case 10: // X coordinate of point
-					entity.vertices.unshift(parsePoint());
-					break;
-				case 11:
-					entity.vertices.push(parsePoint());
-					break;
-				case 210:
-					entity.extrusionDirection = parsePoint();
-					break;
-				case 100:
-					if(curr.value == 'AcDbLine') {
-						curr = scanner.next();
-						break;
-					}
-				default:
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-		return entity;
-	};
-
-	/**
-	 * Used to parse a circle or arc entity.
-	 * @return {Object} the entity parsed
-	 */
-	var parseCIRCLE = function() {
-		var entity, endAngle;
-		entity = { type: curr.value };
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-				case 10: // X coordinate of point
-					entity.center = parsePoint();
-					break;
-				case 40: // radius
-					entity.radius = curr.value;
-					curr = scanner.next();
-					break;
-				case 50: // start angle
-					entity.startAngle = Math.PI / 180 * curr.value;
-					curr = scanner.next();
-					break;
-				case 51: // end angle
-					endAngle = Math.PI / 180 * curr.value;
-					if(endAngle < entity.startAngle)
-						entity.angleLength = endAngle + 2 * Math.PI - entity.startAngle;
-					else
-						entity.angleLength = endAngle - entity.startAngle;
-					entity.endAngle = endAngle;
-					curr = scanner.next();
-					break;
-				default: // ignored attribute
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-		return entity;
-	};
-
-	var parseTEXT = function() {
-		var entity;
-		entity = { type: curr.value };
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-			switch(curr.code) {
-				case 10: // X coordinate of 'first alignment point'
-					entity.startPoint = parsePoint();
-					break;
-				case 11: // X coordinate of 'second alignment point'
-					entity.endPoint = parsePoint();
-					break;
-				case 40: // Text height
-					entity.textHeight = curr.value;
-					curr = scanner.next();
-					break;
-				case 41:
-					entity.xScale = curr.value;
-					curr = scanner.next();
-					break;
-				case 1: // Text
-					entity.text = curr.value;
-					curr = scanner.next();
-					break;
-				// NOTE: 72 and 73 are meaningless without 11 (second alignment point)
-				case 72: // Horizontal alignment
-					entity.halign = curr.value;
-					curr = scanner.next();
-					break;
-				case 73: // Vertical alignment
-					entity.valign = curr.value;
-					curr = scanner.next();
-					break;
-				default: // check common entity attributes
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-		return entity;
-	};
-
-	var parseDIMENSION = function() {
-		var entity;
-		entity = { type: curr.value };
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-				case 2: // Referenced block name
-					entity.block = curr.value;
-					curr = scanner.next();
-					break;
-				case 10: // X coordinate of 'first alignment point'
-					entity.anchorPoint = parsePoint();
-					break;
-				case 11:
-					entity.middleOfText = parsePoint();
-					break;
-				case 71: // 5 = Middle center
-					entity.attachmentPoint = curr.value;
-					curr = scanner.next();
-					break;
-				case 42: // Actual measurement
-					entity.actualMeasurement = curr.value;
-					curr = scanner.next();
-					break;
-				case 1: // Text entered by user explicitly
-					entity.text = curr.value;
-					curr = scanner.next();
-					break;
-				case 50: // Angle of rotated, horizontal, or vertical dimensions
-					entity.angle = curr.value;
-					curr = scanner.next();
-					break;
-				default: // check common entity attributes
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-
-		return entity;
-	};
-
-	var parseSOLID = function() {
-		var entity;
-		entity = { type: curr.value };
-		entity.points = [];
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-				case 10:
-					entity.points[0] = parsePoint();
-					break;
-				case 11:
-					entity.points[1] = parsePoint();
-					break;
-				case 12:
-					entity.points[2] = parsePoint();
-					break;
-				case 13:
-					entity.points[3] = parsePoint();
-					break;
-				case 210:
-					entity.extrusionDirection = parsePoint();
-					break;
-				default: // check common entity attributes
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-
-		return entity;
-	};
-
-	var parsePOINT = function() {
-		var entity;
-		entity = { type: curr.value };
-		curr = scanner.next();
-		while(curr !== 'EOF') {
-			if(curr.code === 0) break;
-
-			switch(curr.code) {
-				case 10:
-					entity.position = parsePoint();
-					break;
-				case 39:
-					entity.thickness = curr.value;
-					curr = scanner.next();
-					break;
-				case 210:
-					entity.extrusionDirection = parsePoint();
-					break;
-				case 100:
-					if(curr.value == 'AcDbPoint') {
-						curr = scanner.next();
-						break;
-					}
-				default: // check common entity attributes
-					checkCommonEntityProperties(entity);
-					break;
-			}
-		}
-
-		return entity;
-	};
-	
-	var ensureHandle = function(entity) {
-		if(!entity) throw new TypeError('entity cannot be undefined or null');
-		
-		if(!entity.handle) entity.handle = lastHandle++; 
-	};
-
-	parseAll();
-	return dxf;
-};
-
-function logUnhandledGroup(curr) {
-	log.debug('unhandled group ' + debugCode(curr));
-}
-
-
-function debugCode(curr) {
-	return curr.code + ':' + curr.value;
-}
-
-/**
- * Returns the truecolor value of the given AutoCad color index value
- * @return {Number} truecolor value as a number
- */
-function getAcadColor(index) {
-	return AUTO_CAD_COLOR_INDEX[index];
-}
-
-const BLOCK_ANONYMOUS_FLAG = 1;
-const BLOCK_NON_CONSTANT_FLAG = 2;
-const BLOCK_XREF_FLAG = 4;
-const BLOCK_XREF_OVERLAY_FLAG = 8;
-const BLOCK_EXTERNALLY_DEPENDENT_FLAG = 16;
-const BLOCK_RESOLVED_OR_DEPENDENT_FLAG = 32;
-const BLOCK_REFERENCED_XREF = 64;
-
-//*! loglevel - v1.4.1 - https://github.com/pimterry/loglevel - (c) 2016 Tim Perry - licensed MIT */
-(function (root, definition) {
-    "use strict";
-    if (typeof define === 'function' && define.amd) {
-        define(definition);
-    } else if (typeof module === 'object' && module.exports) {
-        module.exports = definition();
-    } else {
-        root.log = definition();
-    }
-}(this, function () {
-    "use strict";
-    var noop = function() {};
-    var undefinedType = "undefined";
-
-    function realMethod(methodName) {
-        if (typeof console === undefinedType) {
-            return false; // We can't build a real method without a console to log to
-        } else if (console[methodName] !== undefined) {
-            return bindMethod(console, methodName);
-        } else if (console.log !== undefined) {
-            return bindMethod(console, 'log');
-        } else {
-            return noop;
-        }
-    }
-
-    function bindMethod(obj, methodName) {
-        var method = obj[methodName];
-        if (typeof method.bind === 'function') {
-            return method.bind(obj);
-        } else {
-            try {
-                return Function.prototype.bind.call(method, obj);
-            } catch (e) {
-                // Missing bind shim or IE8 + Modernizr, fallback to wrapping
-                return function() {
-                    return Function.prototype.apply.apply(method, [obj, arguments]);
-                };
-            }
-        }
-    }
-
-    // these private functions always need `this` to be set properly
-
-    function enableLoggingWhenConsoleArrives(methodName, level, loggerName) {
-        return function () {
-            if (typeof console !== undefinedType) {
-                replaceLoggingMethods.call(this, level, loggerName);
-                this[methodName].apply(this, arguments);
-            }
-        };
-    }
-
-    function replaceLoggingMethods(level, loggerName) {
-        /*jshint validthis:true */
-        for (var i = 0; i < logMethods.length; i++) {
-            var methodName = logMethods[i];
-            this[methodName] = (i < level) ?
-                noop :
-                this.methodFactory(methodName, level, loggerName);
-        }
-    }
-
-    function defaultMethodFactory(methodName, level, loggerName) {
-        /*jshint validthis:true */
-        return realMethod(methodName) ||
-            enableLoggingWhenConsoleArrives.apply(this, arguments);
-    }
-
-    var logMethods = [
-        "trace",
-        "debug",
-        "info",
-        "warn",
-        "error"
-    ];
-
-    function Logger(name, defaultLevel, factory) {
-        var self = this;
-        var currentLevel;
-        var storageKey = "loglevel";
-        if (name) {
-            storageKey += ":" + name;
-        }
-
-        function persistLevelIfPossible(levelNum) {
-            var levelName = (logMethods[levelNum] || 'silent').toUpperCase();
-
-            // Use localStorage if available
-            /* fry commented out to get rid of console.log message
-            try {
-                window.localStorage[storageKey] = levelName;
-                return;
-            } catch (ignore) {}
-            */
-            // Use session cookie as fallback
-            try {
-                window.document.cookie =
-                    encodeURIComponent(storageKey) + "=" + levelName + ";";
-            } catch (ignore) {}
-        }
-
-        function getPersistedLevel() { //might return undefined
-            var storedLevel;
-
-           /* fry commented out to get rid of console.log error message
-            try {
-                storedLevel = window.localStorage[storageKey];
-            } catch (ignore) {}
-           */
-
-            if (typeof storedLevel === undefinedType) {
-                try {
-                    var cookie = window.document.cookie;
-                    var location = cookie.indexOf(
-                        encodeURIComponent(storageKey) + "=");
-                    if (location != -1) {
-                        storedLevel = /^([^;]+)/.exec(cookie.slice(location))[1];
-                    }
-                } catch (ignore) {}
-            }
-
-            // If the stored level is not valid, treat it as if nothing was stored.
-            if (self.levels[storedLevel] === undefined) {
-                storedLevel = undefined;
-            }
-
-            return storedLevel;
-        }
-
-        /*
-         *
-         * Public API
-         *
-         */
-
-        self.levels = { "TRACE": 0, "DEBUG": 1, "INFO": 2, "WARN": 3,
-            "ERROR": 4, "SILENT": 5};
-
-        self.methodFactory = factory || defaultMethodFactory;
-
-        self.getLevel = function () {
-            return currentLevel;
-        };
-
-        self.setLevel = function (level, persist) {
-            if (typeof level === "string" && self.levels[level.toUpperCase()] !== undefined) {
-                level = self.levels[level.toUpperCase()];
-            }
-            if (typeof level === "number" && level >= 0 && level <= self.levels.SILENT) {
-                currentLevel = level;
-                if (persist !== false) {  // defaults to true
-                    persistLevelIfPossible(level);
-                }
-                replaceLoggingMethods.call(self, level, name);
-                if (typeof console === undefinedType && level < self.levels.SILENT) {
-                    return "No console available for logging";
-                }
-            } else {
-                throw "log.setLevel() called with invalid level: " + level;
-            }
-        };
-
-        self.setDefaultLevel = function (level) {
-            if (!getPersistedLevel()) {
-                self.setLevel(level, false);
-            }
-        };
-
-        self.enableAll = function(persist) {
-            self.setLevel(self.levels.TRACE, persist);
-        };
-
-        self.disableAll = function(persist) {
-            self.setLevel(self.levels.SILENT, persist);
-        };
-
-        // Initialize with the right level
-        var initialLevel = getPersistedLevel();
-        if (initialLevel == null) {
-            initialLevel = defaultLevel == null ? "WARN" : defaultLevel;
-        }
-        self.setLevel(initialLevel, false);
-    }
-
-    /*
-     *
-     * Package-level API
-     *
-     */
-
-    var defaultLogger = new Logger();
-
-    var _loggersByName = {};
-    defaultLogger.getLogger = function getLogger(name) {
-        if (typeof name !== "string" || name === "") {
-            throw new TypeError("You must supply a name when creating a logger.");
-        }
-
-        var logger = _loggersByName[name];
-        if (!logger) {
-            logger = _loggersByName[name] = new Logger(
-                name, defaultLogger.getLevel(), defaultLogger.methodFactory);
-        }
-        return logger;
-    };
-
-    // Grab the current global log variable in case of overwrite
-    var _log = (typeof window !== undefinedType) ? window.log : undefined;
-    defaultLogger.noConflict = function() {
-        if (typeof window !== undefinedType &&
-            window.log === defaultLogger) {
-            window.log = _log;
-        }
-
-        return defaultLogger;
-    };
-
-    return defaultLogger;
-}));
diff --git a/math/DXF.js b/math/DXF.js
index 8aeeddaf..cee7bddb 100644
--- a/math/DXF.js
+++ b/math/DXF.js
@@ -181,2034 +181,4 @@ var DXF = new function(){
     	}
     	return movCMD
 	}
-    
-    
-    
-}
-
-
-
-
-
-
-/******************************************************************/
-
-
-/*downloaded from https://github.com/gdsestimating/dxf-parser on Aug 15 by Fry and hacked
-to remove all the export junk.
-This version of the file contains all 3 of the color table, scanner, and parser.
-The last mod date on the file is May 27, 2016
- */
-
-/**
- * AutoCad files sometimes use an indexed color value between 1 and 255 inclusive.
- * Each value corresponds to a color. index 1 is red, that is 16711680 or 0xFF0000.
- * index 0 and 256, while included in this array, are actually reserved for inheritance
- * values in AutoCad so they should not be used for index color lookups.
- */
-
-var AUTO_CAD_COLOR_INDEX = [
- 0,
- 16711680,
- 16776960,
- 65280,
- 65535,
- 255,
- 16711935,
- 16777215,
- 8421504,
- 12632256,
- 16711680,
- 16744319,
- 13369344,
- 13395558,
- 10027008,
- 10046540,
- 8323072,
- 8339263,
- 4980736,
- 4990502,
- 16727808,
- 16752511,
- 13382400,
- 13401958,
- 10036736,
- 10051404,
- 8331008,
- 8343359,
- 4985600,
- 4992806,
- 16744192,
- 16760703,
- 13395456,
- 13408614,
- 10046464,
- 10056268,
- 8339200,
- 8347455,
- 4990464,
- 4995366,
- 16760576,
- 16768895,
- 13408512,
- 13415014,
- 10056192,
- 10061132,
- 8347392,
- 8351551,
- 4995328,
- 4997670,
- 16776960,
- 16777087,
- 13421568,
- 13421670,
- 10000384,
- 10000460,
- 8355584,
- 8355647,
- 5000192,
- 5000230,
- 12582656,
- 14679935,
- 10079232,
- 11717734,
- 7510016,
- 8755276,
- 6258432,
- 7307071,
- 3755008,
- 4344870,
- 8388352,
- 12582783,
- 6736896,
- 10079334,
- 5019648,
- 7510092,
- 4161280,
- 6258495,
- 2509824,
- 3755046,
- 4194048,
- 10485631,
- 3394560,
- 8375398,
- 2529280,
- 6264908,
- 2064128,
- 5209919,
- 1264640,
- 3099686,
- 65280,
- 8388479,
- 52224,
- 6736998,
- 38912,
- 5019724,
- 32512,
- 4161343,
- 19456,
- 2509862,
- 65343,
- 8388511,
- 52275,
- 6737023,
- 38950,
- 5019743,
- 32543,
- 4161359,
- 19475,
- 2509871,
- 65407,
- 8388543,
- 52326,
- 6737049,
- 38988,
- 5019762,
- 32575,
- 4161375,
- 19494,
- 2509881,
- 65471,
- 8388575,
- 52377,
- 6737074,
- 39026,
- 5019781,
- 32607,
- 4161391,
- 19513,
- 2509890,
- 65535,
- 8388607,
- 52428,
- 6737100,
- 39064,
- 5019800,
- 32639,
- 4161407,
- 19532,
- 2509900,
- 49151,
- 8380415,
- 39372,
- 6730444,
- 29336,
- 5014936,
- 24447,
- 4157311,
- 14668,
- 2507340,
- 32767,
- 8372223,
- 26316,
- 6724044,
- 19608,
- 5010072,
- 16255,
- 4153215,
- 9804,
- 2505036,
- 16383,
- 8364031,
- 13260,
- 6717388,
- 9880,
- 5005208,
- 8063,
- 4149119,
- 4940,
- 2502476,
- 255,
- 8355839,
- 204,
- 6710988,
- 152,
- 5000344,
- 127,
- 4145023,
- 76,
- 2500172,
- 4129023,
- 10452991,
- 3342540,
- 8349388,
- 2490520,
- 6245528,
- 2031743,
- 5193599,
- 1245260,
- 3089996,
- 8323327,
- 12550143,
- 6684876,
- 10053324,
- 4980888,
- 7490712,
- 4128895,
- 6242175,
- 2490444,
- 3745356,
- 12517631,
- 14647295,
- 10027212,
- 11691724,
- 7471256,
- 8735896,
- 6226047,
- 7290751,
- 3735628,
- 4335180,
- 16711935,
- 16744447,
- 13369548,
- 13395660,
- 9961624,
- 9981080,
- 8323199,
- 8339327,
- 4980812,
- 4990540,
- 16711871,
- 16744415,
- 13369497,
- 13395634,
- 9961586,
- 9981061,
- 8323167,
- 8339311,
- 4980793,
- 4990530,
- 16711807,
- 16744383,
- 13369446,
- 13395609,
- 9961548,
- 9981042,
- 8323135,
- 8339295,
- 4980774,
- 4990521,
- 16711743,
- 16744351,
- 13369395,
- 13395583,
- 9961510,
- 9981023,
- 8323103,
- 8339279,
- 4980755,
- 4990511,
- 3355443,
- 5987163,
- 8684676,
- 11382189,
- 14079702,
- 16777215
-]
-
-/**
- * DxfArrayScanner
- *
- * Based off the AutoCad 2012 DXF Reference
- * http://images.autodesk.com/adsk/files/autocad_2012_pdf_dxf-reference_enu.pdf
- *
- * Reads through an array representing lines of a dxf file. Takes an array and
- * provides an easy interface to extract group code and value pairs.
- * @param data - an array where each element represents a line in the dxf file
- * @constructor
- */
-function DxfArrayScanner(data) {
-   this._pointer = 0;
-   this._data = data;
-   this._eof = false;
-}
-
-/**
- * Gets the next group (code, value) from the array. A group is two consecutive elements
- * in the array. The first is the code, the second is the value.
- * @returns {{code: Number}|*}
- */
-DxfArrayScanner.prototype.next = function() {
-   var group;
-   if(!this.hasNext()) {
-      if(!this._eof)
-         throw new Error('Unexpected end of input: EOF group not read before end of file. Ended on code ' + this._data[this._pointer]);
-      else
-         throw new Error('Cannot call \'next\' after EOF group has been read');
-   }
-
-   group = {
-      code: parseInt(this._data[this._pointer])
-   };
-
-   this._pointer++;
-
-   group.value = parseGroupValue(group.code, this._data[this._pointer].trim());
-   
-   this._pointer++;
-
-   if(group.code === 0 && group.value === 'EOF') this._eof = true;
-
-   return group;
-};
-
-/**
- * Returns true if there is another code/value pair (2 elements in the array).
- * @returns {boolean}
- */
-DxfArrayScanner.prototype.hasNext = function() {
-   // Check if we have read EOF group code
-   if(this._eof) {
-      return false;
-   }
-   
-   // We need to be sure there are two lines available
-   if(this._pointer > this._data.length - 2) {
-      return false;
-   }
-   return true;
-};
-
-/**
- * Returns true if the scanner is at the end of the array
- * @returns {boolean}
- */
-DxfArrayScanner.prototype.isEOF = function() {
-   return this._eof;
-};
-
-/**
- * Parse a value to its proper type.
- * See pages 3 - 10 of the AutoCad DXF 2012 reference given at the top of this file
- *
- * @param code
- * @param value
- * @returns {*}
- */
-function parseGroupValue(code, value) {
-   if(code <= 9) return value;
-   if(code >= 10 && code <= 59) return parseFloat(value);
-   if(code >= 60 && code <= 99) return parseInt(value);
-   if(code >= 100 && code <= 109) return value;
-   if(code >= 110 && code <= 149) return parseFloat(value);
-   if(code >= 160 && code <= 179) return parseInt(value);
-   if(code >= 210 && code <= 239) return parseFloat(value);
-   if(code >= 270 && code <= 289) return parseInt(value);
-   if(code >= 290 && code <= 299) return parseBoolean(value);
-   if(code >= 300 && code <= 369) return value;
-   if(code >= 370 && code <= 389) return parseInt(value);
-   if(code >= 390 && code <= 399) return value;
-   if(code >= 400 && code <= 409) return parseInt(value);
-   if(code >= 410 && code <= 419) return value;
-   if(code >= 420 && code <= 429) return parseInt(value);
-   if(code >= 430 && code <= 439) return value;
-   if(code >= 440 && code <= 459) return parseInt(value);
-   if(code >= 460 && code <= 469) return parseFloat(value);
-   if(code >= 470 && code <= 481) return value;
-   if(code === 999) return value;
-   if(code >= 1000 && code <= 1009) return value;
-   if(code >= 1010 && code <= 1059) return parseFloat(value);
-   if(code >= 1060 && code <= 1071) return parseInt(value);
-
-   console.log('WARNING: Group code does not have a defined type: %j', { code: code, value: value });
-   return value;
-}
-
-/**
- * Parse a boolean according to a 1 or 0 value
- * @param str
- * @returns {boolean}
- */
-function parseBoolean(str) {
-   if(str === '0') return false;
-   if(str === '1') return true;
-   throw TypeError('String \'' + str + '\' cannot be cast to Boolean type');
-}
-
-
-//fry comment out   var log = require('loglevel');
-
-//log.setLevel('trace');
-//log.setLevel('debug');
-//log.setLevel('info');
-//log.setLevel('warn');
-//fry comment out   log.setLevel('error');
-//log.setLevel('silent');
-
-
-function DxfParser(stream) {}
-
-DxfParser.prototype.parse = function(source, done) {
-   throw new Error("read() not implemented. Use readSync()");
-};
-
-DxfParser.prototype.parseSync = function(source) {
-   if(typeof(source) === 'string') {
-      return this._parse(source);
-   }else {
-      console.error('Cannot read dxf source of type `' + typeof(source));
-      return null;
-   }
-};
-
-DxfParser.prototype.parseStream = function(stream, done) {
-
-   var dxfString = "";
-   var self = this;
-
-   stream.on('data', onData);
-   stream.on('end', onEnd);
-   stream.on('error', onError);
-
-   function onData(chunk) {
-      dxfString += chunk;
-   }
-
-   function onEnd() {
-      try {
-         var dxf = self._parse(dxfString);
-      }catch(err) {
-         return done(err);
-      }
-      done(null, dxf);
-   }
-
-   function onError(err) {
-      done(err);
-   }
-};
-
-DxfParser.prototype._parse = function(dxfString) {
-   var scanner, curr, dxf = {}, lastHandle = 0;
-   var dxfLinesArray = dxfString.split(/\r\n|\r|\n/g);
-
-   scanner = new DxfArrayScanner(dxfLinesArray);
-   if(!scanner.hasNext()) throw Error('Empty file');
-
-   var parseAll = function() {
-      curr = scanner.next();
-      while(!scanner.isEOF()) {
-         if(curr.code === 0 && curr.value === 'SECTION') {
-            curr = scanner.next();
-
-            // Be sure we are reading a section code
-            if (curr.code !== 2) {
-               console.error('Unexpected code %s after 0:SECTION', debugCode(curr));
-               curr = scanner.next();
-               continue;
-            }
-
-            if (curr.value === 'HEADER') {
-               log.debug('> HEADER');
-               dxf.header = parseHeader();
-               log.debug('<');
-            } else if (curr.value === 'BLOCKS') {
-               log.debug('> BLOCKS');
-               dxf.blocks = parseBlocks();
-               log.debug('<');
-            } else if(curr.value === 'ENTITIES') {
-               log.debug('> ENTITIES');
-               dxf.entities = parseEntities(false);
-               log.debug('<');
-            } else if(curr.value === 'TABLES') {
-               log.debug('> TABLES');
-               dxf.tables = parseTables();
-               log.debug('<');
-            } else if(curr.value === 'EOF') {
-               log.debug('EOF');
-            } else {
-               log.warn('Skipping section \'%s\'', curr.value);
-            }
-         } else {
-            curr = scanner.next();
-         }
-         // If is a new section
-      }
-   };
-
-   var groupIs = function(code, value) {
-      return curr.code === code && curr.value === value;
-   };
-
-   /**
-    *
-    * @return {object} header
-    */
-   var parseHeader = function() {
-      // interesting variables:
-      //  $ACADVER, $VIEWDIR, $VIEWSIZE, $VIEWCTR, $TDCREATE, $TDUPDATE
-      // http://www.autodesk.com/techpubs/autocad/acadr14/dxf/header_section_al_u05_c.htm
-      // Also see VPORT table entries
-      var currVarName = null, currVarValue = null;
-      var header = {};
-      // loop through header variables
-      curr = scanner.next();
-
-      while(true) {
-         if(groupIs(0, 'ENDSEC')) {
-            if(currVarName) header[currVarName] = currVarValue;
-            break;
-         } else if(curr.code === 9) {
-            if(currVarName) header[currVarName] = currVarValue;
-            currVarName = curr.value;
-            // Filter here for particular variables we are interested in
-         } else {
-            if(curr.code === 10) {
-               currVarValue = { x: curr.value };
-            } else if(curr.code === 20) {
-               currVarValue.y = curr.value;
-            } else if(curr.code === 30) {
-               currVarValue.z = curr.value;
-            } else {
-               currVarValue = curr.value;
-            }
-         }
-         curr = scanner.next();
-      }
-      // console.log(util.inspect(header, { colors: true, depth: null }));
-      curr = scanner.next(); // swallow up ENDSEC
-      return header;
-   };
-
-
-   /**
-    *
-    */
-   var parseBlocks = function() {
-      var blocks = {}, block;
-      
-        curr = scanner.next();
-      
-      while(curr.value !== 'EOF') {
-         if(groupIs(0, 'ENDSEC')) {
-            break;
-         }
-
-         if(groupIs(0, 'BLOCK')) {
-            log.debug('block {');
-            block = parseBlock();
-            log.debug('}');
-            ensureHandle(block);
-                if(!block.name)
-                    log.error('block with handle "' + block.handle + '" is missing a name.');
-            else
-                    blocks[block.name] = block;
-         } else {
-            logUnhandledGroup(curr);
-            curr = scanner.next();
-         }
-      }
-      return blocks;
-   };
-
-   var parseBlock = function() {
-      var block = {};
-      curr = scanner.next();
-
-      while(curr.value !== 'EOF') {
-         switch(curr.code) {
-            case 1:
-               block.xrefPath = curr.value;
-               curr = scanner.next();
-               break;
-            case 2:
-               block.name = curr.value;
-               curr = scanner.next();
-               break;
-            case 3:
-               block.name2 = curr.value;
-               curr = scanner.next();
-               break;
-            case 5:
-               block.handle = curr.value;
-               curr = scanner.next();
-               break;
-            case 8:
-               block.layer = curr.value;
-               curr = scanner.next();
-               break;
-            case 10:
-               block.position = parsePoint();
-               break;
-            case 67:
-               block.paperSpace = (curr.value && curr.value == 1) ? true : false;
-               curr = scanner.next();
-               break;
-            case 70:
-               if (curr.value != 0) {
-                  //if(curr.value & BLOCK_ANONYMOUS_FLAG) console.log('  Anonymous block');
-                  //if(curr.value & BLOCK_NON_CONSTANT_FLAG) console.log('  Non-constant attributes');
-                  //if(curr.value & BLOCK_XREF_FLAG) console.log('  Is xref');
-                  //if(curr.value & BLOCK_XREF_OVERLAY_FLAG) console.log('  Is xref overlay');
-                  //if(curr.value & BLOCK_EXTERNALLY_DEPENDENT_FLAG) console.log('  Is externally dependent');
-                  //if(curr.value & BLOCK_RESOLVED_OR_DEPENDENT_FLAG) console.log('  Is resolved xref or dependent of an xref');
-                  //if(curr.value & BLOCK_REFERENCED_XREF) console.log('  This definition is a referenced xref');
-                  block.type = curr.value;
-               }
-               curr = scanner.next();
-               break;
-            case 100:
-               // ignore class markers
-               curr = scanner.next();
-               break;
-            case 330:
-               block.ownerHandle = curr.value;
-               curr = scanner.next();
-               break;
-            case 0:
-               if(curr.value == 'ENDBLK')
-                  break;
-               block.entities = parseEntities(true);
-               break;
-            default:
-               logUnhandledGroup(curr);
-               curr = scanner.next();
-         }
-         
-         if(groupIs(0, 'ENDBLK')) {
-            curr = scanner.next();
-            break;
-         }
-      }
-      return block;
-   };
-
-   /**
-    * parseTables
-    * @return {Object} Object representing tables
-    */
-   var parseTables = function() {
-      var tables = {};
-      curr = scanner.next();
-      while(curr.value !== 'EOF') {
-         if(groupIs(0, 'ENDSEC'))
-            break;
-
-         if(groupIs(0, 'TABLE')) {
-            curr = scanner.next();
-
-            var tableDefinition = tableDefinitions[curr.value];
-            if(tableDefinition) {
-               log.debug(curr.value + ' Table {');
-               tables[tableDefinitions[curr.value].tableName] = parseTable();
-               log.debug('}');
-            } else {
-               log.debug('Unhandled Table ' + curr.value);
-            }
-         } else {
-            // else ignored
-            curr = scanner.next();
-         }
-      }
-
-      curr = scanner.next();
-      return tables;
-   };
-
-   const END_OF_TABLE_VALUE = 'ENDTAB';
-
-   var parseTable = function() {
-      var tableDefinition = tableDefinitions[curr.value],
-         table = {},
-         expectedCount = 0,
-         actualCount;
-
-      curr = scanner.next();
-      while(!groupIs(0, END_OF_TABLE_VALUE)) {
-
-         switch(curr.code) {
-            case 5:
-               table.handle = curr.value;
-               curr = scanner.next();
-               break;
-            case 330:
-               table.ownerHandle = curr.value;
-               curr = scanner.next();
-               break;
-            case 100:
-               if(curr.value === 'AcDbSymbolTable') {
-                  // ignore
-                  curr = scanner.next();
-               }else{
-                  logUnhandledGroup(curr);
-                  curr = scanner.next();
-               }
-               break;
-            case 70:
-               expectedCount = curr.value;
-               curr = scanner.next();
-               break;
-            case 0:
-               if(curr.value === tableDefinition.dxfSymbolName) {
-                  table[tableDefinition.tableRecordsProperty] = tableDefinition.parseTableRecords();
-               } else {
-                  logUnhandledGroup(curr);
-                  curr = scanner.next();
-               }
-               break;
-            default:
-               logUnhandledGroup(curr);
-               curr = scanner.next();
-         }
-      }
-      var tableRecords = table[tableDefinition.tableRecordsProperty];
-      if(tableRecords) {
-         if(tableRecords.constructor === Array){
-            actualCount = tableRecords.length;
-         } else if(typeof(tableRecords) === 'object') {
-            actualCount = Object.keys(tableRecords).length;
-         }
-         if(expectedCount !== actualCount) log.warn('Parsed ' + actualCount + ' ' + tableDefinition.dxfSymbolName + '\'s but expected ' + expectedCount);
-      }
-      curr = scanner.next();
-      return table;
-   };
-
-   var parseViewPortRecords = function() {
-      var viewPorts = [], // Multiple table entries may have the same name indicating a multiple viewport configuration
-         viewPort = {};
-
-      log.debug('ViewPort {');
-      curr = scanner.next();
-      while(!groupIs(0, END_OF_TABLE_VALUE)) {
-
-         switch(curr.code) {
-            case 2: // layer name
-               viewPort.name = curr.value;
-               curr = scanner.next();
-               break;
-            case 10:
-               viewPort.lowerLeftCorner = parsePoint();
-               break;
-            case 11:
-               viewPort.upperRightCorner = parsePoint();
-               break;
-            case 12:
-               viewPort.center = parsePoint();
-               break;
-            case 13:
-               viewPort.snapBasePoint = parsePoint();
-               break;
-            case 14:
-               viewPort.snapSpacing = parsePoint();
-               break;
-            case 15:
-               viewPort.gridSpacing = parsePoint();
-               break;
-            case 16:
-               viewPort.viewDirectionFromTarget = parsePoint();
-               break;
-            case 17:
-               viewPort.viewTarget = parsePoint();
-               break;
-            case 42:
-               viewPort.lensLength = curr.value;
-               curr = scanner.next();
-               break;
-            case 43:
-               viewPort.frontClippingPlane = curr.value;
-               curr = scanner.next();
-               break;
-            case 44:
-               viewPort.backClippingPlane = curr.value;
-               curr = scanner.next();
-               break;
-            case 45:
-               viewPort.viewHeight = curr.value;
-               curr = scanner.next();
-               break;
-            case 50:
-               viewPort.snapRotationAngle = curr.value;
-               curr = scanner.next();
-               break;
-            case 51:
-               viewPort.viewTwistAngle = curr.value;
-               curr = scanner.next();
-               break;
-                case 79:
-                    viewPort.orthographicType = curr.value;
-                    curr = scanner.next();
-                    break;
-            case 110:
-               viewPort.ucsOrigin = parsePoint();
-               break;
-            case 111:
-               viewPort.ucsXAxis = parsePoint();
-               break;
-            case 112:
-               viewPort.ucsYAxis = parsePoint();
-               break;
-            case 110:
-               viewPort.ucsOrigin = parsePoint();
-               break;
-            case 281:
-               viewPort.renderMode = curr.value;
-               curr = scanner.next();
-               break;
-            case 281:
-               // 0 is one distant light, 1 is two distant lights
-               viewPort.defaultLightingType = curr.value;
-               curr = scanner.next();
-               break;
-            case 292:
-               viewPort.defaultLightingOn = curr.value;
-               curr = scanner.next();
-               break;
-            case 330:
-               viewPort.ownerHandle = curr.value;
-               curr = scanner.next();
-               break;
-            case 63:
-            case 421:
-            case 431:
-               viewPort.ambientColor = curr.value;
-               curr = scanner.next();
-               break;
-            case 0:
-               // New ViewPort
-               if(curr.value === 'VPORT') {
-                  log.debug('}');
-                  viewPorts.push(viewPort);
-                  log.debug('ViewPort {');
-                  viewPort = {};
-                  curr = scanner.next();
-               }
-               break;
-            default:
-               logUnhandledGroup(curr);
-               curr = scanner.next();
-               break;
-         }
-      }
-      // Note: do not call scanner.next() here,
-      //  parseTable() needs the current group
-      log.debug('}');
-      viewPorts.push(viewPort);
-
-      return viewPorts;
-   };
-
-   var parseLineTypes = function() {
-      var ltypes = {},
-         ltypeName,
-         ltype = {},
-         length;
-
-      log.debug('LType {');
-      curr = scanner.next();
-      while(!groupIs(0, 'ENDTAB')) {
-
-         switch(curr.code) {
-            case 2:
-               ltype.name = curr.value;
-               ltypeName = curr.value;
-               curr = scanner.next();
-               break;
-            case 3:
-               ltype.description = curr.value;
-               curr = scanner.next();
-               break;
-            case 73: // Number of elements for this line type (dots, dashes, spaces);
-               length = curr.value;
-               if(length > 0) ltype.pattern = [];
-               curr = scanner.next();
-               break;
-            case 40: // total pattern length
-               ltype.patternLength = curr.value;
-               curr = scanner.next();
-               break;
-            case 49:
-               ltype.pattern.push(curr.value);
-               curr = scanner.next();
-               break;
-            case 0:
-               log.debug('}');
-               if(length > 0 && length !== ltype.pattern.length) log.warn('lengths do not match on LTYPE pattern');
-               ltypes[ltypeName] = ltype;
-               ltype = {};
-               log.debug('LType {');
-               curr = scanner.next();
-               break;
-            default:
-               curr = scanner.next();
-         }
-      }
-
-      log.debug('}');
-      ltypes[ltypeName] = ltype;
-      return ltypes;
-   };
-
-   var parseLayers = function() {
-      var layers = {},
-         layerName,
-         layer = {};
-
-      log.debug('Layer {');
-      curr = scanner.next();
-      while(!groupIs(0, 'ENDTAB')) {
-
-         switch(curr.code) {
-            case 2: // layer name
-               layer.name = curr.value;
-               layerName = curr.value;
-               curr = scanner.next();
-               break;
-            case 62: // color, visibility
-               layer.visible = curr.value <= 0;
-               // TODO 0 and 256 are BYBLOCK and BYLAYER respectively. Need to handle these values for layers?.
-               layer.color = getAcadColor(Math.abs(curr.value));
-               curr = scanner.next();
-               break;
-            case 0:
-               // New Layer
-               if(curr.value === 'LAYER') {
-                  log.debug('}');
-                  layers[layerName] = layer;
-                  log.debug('Layer {');
-                  layer = {};
-                  layerName = undefined;
-                  curr = scanner.next();
-               }
-               break;
-            default:
-               logUnhandledGroup(curr);
-               curr = scanner.next();
-               break;
-         }
-      }
-      // Note: do not call scanner.next() here,
-      //  parseLayerTable() needs the current group
-      log.debug('}');
-      layers[layerName] = layer;
-
-      return layers;
-   };
-
-   var tableDefinitions = {
-      VPORT: {
-         tableRecordsProperty: 'viewPorts',
-         tableName: 'viewPort',
-         dxfSymbolName: 'VPORT',
-         parseTableRecords: parseViewPortRecords
-      },
-      LTYPE: {
-         tableRecordsProperty: 'lineTypes',
-         tableName: 'lineType',
-         dxfSymbolName: 'LTYPE',
-         parseTableRecords: parseLineTypes
-      },
-      LAYER: {
-         tableRecordsProperty: 'layers',
-         tableName: 'layer',
-         dxfSymbolName: 'LAYER',
-         parseTableRecords: parseLayers
-      }
-   };
-
-   /**
-    * Is called after the parser first reads the 0:ENTITIES group. The scanner
-    * should be on the start of the first entity already.
-    * @return {Array} the resulting entities
-    */
-   var parseEntities = function(forBlock) {
-      var entities = [];
-
-      var endingOnValue = forBlock ? 'ENDBLK' : 'ENDSEC';
-
-      if (!forBlock) {
-         curr = scanner.next();
-      }
-      while(true) {
-
-         if(curr.code === 0) {
-            if(curr.value === endingOnValue) {
-               break;
-            }
-            
-            var entity;
-            // Supported entities here
-            if(curr.value === 'LWPOLYLINE') {
-               log.debug('LWPOLYLINE {');
-               entity = parseLWPOLYLINE();
-               log.debug('}')
-            } else if(curr.value === 'POLYLINE') {
-               log.debug('POLYLINE {');
-               entity = parsePOLYLINE();
-               log.debug('}');
-            } else if(curr.value === 'LINE') {
-               log.debug('LINE {');
-               entity = parseLINE();
-               log.debug('}');
-            } else if(curr.value === 'CIRCLE') {
-               log.debug('CIRCLE {');
-               entity = parseCIRCLE();
-               log.debug('}');
-            } else if(curr.value === 'ARC') {
-               log.debug('ARC {');
-               // similar properties to circle?
-               entity = parseCIRCLE();
-               log.debug('}')
-            } else if(curr.value === 'TEXT') {
-               log.debug('TEXT {');
-               entity = parseTEXT();
-               log.debug('}')
-            } else if(curr.value === 'DIMENSION') {
-               log.debug('DIMENSION {');
-               entity = parseDIMENSION();
-               log.debug('}')
-            } else if(curr.value === 'SOLID') {
-               log.debug('SOLID {');
-               entity = parseSOLID();
-               log.debug('}')
-            } else if(curr.value === 'POINT') {
-               log.debug('POINT {');
-               entity = parsePOINT();
-               log.debug('}')
-            } else if(curr.value === 'MTEXT') {
-               log.debug('MTEXT {');
-               entity = parseMTEXT();
-               log.debug('}')
-            } else if(curr.value === 'ATTDEF') {
-               log.debug('ATTDEF {');
-               entity = parseATTDEF();
-               log.debug('}')
-            } else {
-               log.warn('Unhandled entity ' + curr.value);
-               curr = scanner.next();
-               continue;
-            }
-            ensureHandle(entity);
-            entities.push(entity);
-         } else {
-            // ignored lines from unsupported entity
-            curr = scanner.next();
-         }
-      }
-      // console.log(util.inspect(entities, { colors: true, depth: null }));
-      if(endingOnValue == 'ENDSEC') curr = scanner.next(); // swallow up ENDSEC, but not ENDBLK
-      return entities;
-   };
-
-   /**
-    *
-    * @param entity
-    */
-   var checkCommonEntityProperties = function(entity) {
-      switch(curr.code) {
-         case 0:
-            entity.type = curr.value;
-            curr = scanner.next();
-            break;
-         case 5:
-            entity.handle = curr.value;
-            curr = scanner.next();
-            break;
-         case 6:
-            entity.lineType = curr.value;
-            curr = scanner.next();
-            break;
-         case 8: // Layer name
-            entity.layer = curr.value;
-            curr = scanner.next();
-            break;
-         case 48:
-            entity.lineTypeScale = curr.value;
-            curr = scanner.next();
-            break;
-         case 60:
-            entity.visible = curr.value === 0;
-            curr = scanner.next();
-            break;
-         case 62: // Acad Index Color. 0 inherits ByBlock. 256 inherits ByLayer. Default is bylayer
-            entity.colorIndex = curr.value;
-            entity.color = getAcadColor(Math.abs(curr.value));
-            curr = scanner.next();
-            break;
-         case 67:
-            entity.inPaperSpace = curr.value !== 0;
-            curr = scanner.next();
-            break;
-         case 330:
-            entity.ownerHandle = curr.value;
-            curr = scanner.next();
-            break;
-         case 347:
-            entity.materialObjectHandle = curr.value;
-            curr = scanner.next();
-            break;
-         case 370:
-            // This is technically an enum. Not sure where -2 comes from.
-            //From https://www.woutware.com/Forum/Topic/955/lineweight?returnUrl=%2FForum%2FUserPosts%3FuserId%3D478262319
-            // An integer representing 100th of mm, must be one of the following values:
-            // 0, 5, 9, 13, 15, 18, 20, 25, 30, 35, 40, 50, 53, 60, 70, 80, 90, 100, 106, 120, 140, 158, 200, 211.
-            entity.lineweight = curr.value;
-            curr = scanner.next();
-            break;
-         case 420: // TrueColor Color
-            entity.color = curr.value;
-            curr = scanner.next();
-            break;
-         case 100:
-                //ignore
-                curr = scanner.next();
-                break;
-         default:
-            logUnhandledGroup(curr);
-            curr = scanner.next();
-            break;
-      }
-   };
-
-
-   var parseVertex = function() {
-      var entity = { type: curr.value };
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-            case 10:   // X
-               entity.x = curr.value;
-               curr = scanner.next();
-               break;
-            case 20: // Y
-               entity.y = curr.value;
-               curr = scanner.next();
-               break;
-            case 30: // Z
-               entity.z = curr.value;
-               curr = scanner.next();
-               break;
-            case 40: // start width
-            case 41: // end width
-            case 42: // bulge
-               curr = scanner.next();
-               break;
-            case 70: // flags
-               entity.curveFittingVertex = (curr.value & 1) !== 0;
-               entity.curveFitTangent = (curr.value & 2) !== 0;
-               entity.splineVertex = (curr.value & 8) !== 0;
-               entity.splineControlPoint = (curr.value & 16) !== 0;
-               entity.threeDPolylineVertex = (curr.value & 32) !== 0;
-               entity.threeDPolylineMesh = (curr.value & 64) !== 0;
-               entity.polyfaceMeshVertex = (curr.value & 128) !== 0;
-               curr = scanner.next();
-               break;
-            case 50: // curve fit tangent direction
-            case 71: // polyface mesh vertex index
-            case 72: // polyface mesh vertex index
-            case 73: // polyface mesh vertex index
-            case 74: // polyface mesh vertex index
-               curr = scanner.next();
-               break;
-            default:
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-      return entity;
-   };
-
-   var parseSeqEnd = function() {
-        var entity = { type: curr.value };
-        curr = scanner.next();
-        while(curr != 'EOF') {
-            if (curr.code == 0) break;
-            checkCommonEntityProperties(entity);
-        }
-
-      return entity;
-   };
-
-   /**
-    * Parses a 2D or 3D point, returning it as an object with x, y, and
-    * (sometimes) z property if it is 3D. It is assumed the current group
-    * is x of the point being read in, and scanner.next() will return the
-    * y. The parser will determine if there is a z point automatically.
-    * @return {Object} The 2D or 3D point as an object with x, y[, z]
-    */
-   var parsePoint = function() {
-      var point = {},
-         code = curr.code;
-
-      point.x = curr.value;
-
-      code += 10;
-      curr = scanner.next();
-      if(curr.code != code)
-         throw new Error('Expected code for point value to be ' + code +
-         ' but got ' + curr.code + '.');
-      point.y = curr.value;
-
-      code += 10;
-      curr = scanner.next();
-      if(curr.code != code)
-         return point;
-      point.z = curr.value;
-
-      curr = scanner.next(); // advance the scanner before returning
-      return point;
-   };
-
-   var parseLWPolylineVertices = function(n) {
-      if(!n || n <= 0) throw Error('n must be greater than 0 verticies');
-      var vertices = [], i;
-      var vertexIsStarted = false;
-      var vertexIsFinished = false;
-
-      for(i = 0; i < n; i++) {
-         var vertex = {};
-         while(curr !== 'EOF') {
-            if(curr.code === 0 || vertexIsFinished) break;
-   
-            switch(curr.code) {
-               case 10: // X
-                  if(vertexIsStarted) {
-                     vertexIsFinished = true;
-                     continue;
-                  }
-                  vertex.x = curr.value;
-                  vertexIsStarted = true;
-                  break;
-               case 20: // Y
-                  vertex.y = curr.value;
-                  break;
-               case 30: // Z
-                  vertex.z = curr.value;
-                  break;
-               case 40: // start width
-                  vertex.startWidth = curr.value;
-                  break;
-               case 41: // end width
-                  vertex.endWidth = curr.value;
-                  break;
-               case 42: // bulge
-                  if(curr.value != 0) vertex.bulge = curr.value;
-                  break;
-               default:
-                  //todo: mark unhandled somehow?
-                  curr = scanner.next();
-                  continue;
-            }
-            curr = scanner.next();
-         }
-         // See https://groups.google.com/forum/#!topic/comp.cad.autocad/9gn8s5O_w6E
-         vertices.push(vertex);
-         vertexIsStarted = false;
-         vertexIsFinished = false;
-      }
-      return vertices;
-   };
-
-   var parsePolylineVertices = function() {
-      var vertices = [];
-      while (curr !== 'EOF') {
-         if (curr.code === 0) {
-            if (curr.value === 'VERTEX') {
-               vertices.push(parseVertex());
-            } else if (curr.value === 'SEQEND') {
-               parseSeqEnd();
-               break;
-            }
-         }
-      }
-      return vertices;
-   };
-
-   var parseMTEXT = function() {
-      var entity = { type: curr.value };
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-                case 1:
-                    entity.text = curr.value;
-                    curr = scanner.next();
-                    break;
-                case 3:
-                    entity.text += curr.value;
-                    curr = scanner.next();
-                    break;
-                case 10:
-                    entity.position = parsePoint();
-                    break;
-                case 40:
-                    entity.height = curr.value;
-                    curr = scanner.next();
-                    break;
-                case 41:
-                    entity.width = curr.value;
-                    curr = scanner.next();
-                    break;
-                case 71:
-                    entity.attachmentPoint = curr.value;
-                    curr = scanner.next();
-                    break;
-                case 72:
-                    entity.drawingDirection = curr.value;
-                    curr = scanner.next();
-                    break;
-            default:
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-      return entity;
-   };
-
-   var parseATTDEF = function() {
-      var entity = {
-         type: curr.value,
-         scale: 1,
-         textStyle: 'STANDARD'
-       };
-      curr = scanner.next();
-      while (curr !== 'EOF') {
-         if (curr.code === 0) {
-            break;
-         }
-         switch(curr.code) {
-            case 1:
-               entity.text = curr.value;
-               curr = scanner.next();
-               break;
-            case 2:
-               entity.tag = curr.value;
-               curr = scanner.next();
-               break;
-            case 3:
-               entity.prompt = curr.value;
-               curr = scanner.next();
-               break;
-            case 7:
-               entity.textStyle = curr.value;
-               curr = scanner.next();
-               break;
-            case 10:
-               entity.x = curr.value;
-               curr = scanner.next();
-               break;
-            case 20:
-               entity.y = curr.value;
-               curr = scanner.next();
-               break;
-            case 30:
-               entity.z = curr.value;
-               curr = scanner.next();
-               break;
-            case 39:
-               entity.thickness = curr.value;
-               curr = scanner.next();
-               break;
-            case 40:
-               entity.textHeight = curr.value;
-               curr = scanner.next();
-               break;
-            case 41:
-               entity.scale = curr.value;
-               curr = scanner.next();
-               break;
-            case 50:
-               entity.rotation = curr.value;
-               curr = scanner.next();
-               break;
-            case 51:
-               entity.obliqueAngle = curr.value;
-               curr = scanner.next();
-               break;
-            case 70:
-               entity.invisible = !!(curr.value & 0x01);
-               entity.constant = !!(curr.value & 0x02);
-               entity.verificationRequired = !!(curr.value & 0x04);
-               entity.preset = !!(curr.value & 0x08);
-               curr = scanner.next();
-               break;
-            case 71:
-               entity.backwards = !!(curr.value & 0x02);
-               entity.mirrored = !!(curr.value & 0x04);
-               curr = scanner.next();
-               break;
-            case 72:
-               // TODO: enum values?
-               entity.horizontalJustification = curr.value;
-               curr = scanner.next();
-               break;
-            case 73:
-               entity.fieldLength = curr.value;
-               curr = scanner.next();
-               break;
-            case 74:
-               // TODO: enum values?
-               entity.verticalJustification = curr.value;
-               curr = scanner.next();
-               break;
-            case 100:
-               // subclass
-               curr = scanner.next();
-               break;
-            case 210:
-               entity.extrusionDirectionX = curr.value;
-               curr = scanner.next();
-               break;
-            case 220:
-               entity.extrusionDirectionY = curr.value;
-               curr = scanner.next();
-               break;
-            case 230:
-               entity.extrusionDirectionZ = curr.value;
-               curr = scanner.next();
-               break;
-            default:
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-
-      return entity;
-   };
-
-   /**
-    * Called when the parser reads the beginning of a new entity,
-    * 0:LWPOLYLINE. Scanner.next() will return the first attribute of the
-    * entity.
-    * @return {Object} the entity parsed
-    */
-   var parseLWPOLYLINE = function() {
-      var entity = { type: curr.value, vertices: [] },
-         numberOfVertices = 0;
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-            case 38:
-               entity.elevation = curr.value;
-               curr = scanner.next();
-               break;
-            case 39:
-               entity.depth = curr.value;
-               curr = scanner.next();
-               break;
-            case 70: // 1 = Closed shape, 128 = plinegen?, 0 = default
-               entity.shape = (curr.value === 1);
-               curr = scanner.next();
-               break;
-            case 90:
-               numberOfVertices = curr.value;
-               curr = scanner.next();
-               break;
-            case 10: // X coordinate of point
-               entity.vertices = parseLWPolylineVertices(numberOfVertices);
-               break;
-            case 43:
-               if(curr.value !== 0) entity.width = curr.value;
-               curr = scanner.next();
-               break;
-            default:
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-      return entity;
-   };
-
-   /**
-    * Called when the parser reads the beginning of a new entity,
-    * 0:POLYLINE. Scanner.next() will return the first attribute of the
-    * entity.
-    * @return {Object} the entity parsed
-    */
-   var parsePOLYLINE = function() {
-      var entity = { type: curr.value, vertices: [] };
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-            case 10: // always 0
-            case 20: // always 0
-            case 30: // elevation
-            case 39: // thickness
-                    entity.thickness = curr.value;
-               curr = scanner.next();
-               break;
-            case 40: // start width
-            case 41: // end width
-               curr = scanner.next();
-               break;
-            case 70:
-               entity.shape = (curr.value & 1) !== 0;
-                    entity.includesCurveFitVertices = (curr.value & 2) !== 0;
-                    entity.includesSplineFitVertices = (curr.value & 4) !== 0;
-                    entity.is3dPolyline = (curr.value & 8) !== 0;
-                    entity.is3dPolygonMesh = (curr.value & 16) !== 0;
-                    entity.is3dPolygonMeshClosed = (curr.value & 32) !== 0; // 32 = The polygon mesh is closed in the N direction
-                    entity.isPolyfaceMesh = (curr.value & 64) !== 0;
-                    entity.hasContinuousLinetypePattern = (curr.value & 128) !== 0;
-               curr = scanner.next();
-               break;
-            case 71: // Polygon mesh M vertex count
-            case 72: // Polygon mesh N vertex count
-            case 73: // Smooth surface M density
-            case 74: // Smooth surface N density
-            case 75: // Curves and smooth surface type
-               curr = scanner.next();
-               break;
-            case 210:
-                    extrusionDirection = parsePoint();
-               break;
-            default:
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-
-      entity.vertices = parsePolylineVertices();
-
-      return entity;
-   };
-
-
-   /**
-    * Called when the parser reads the beginning of a new entity,
-    * 0:LINE. Scanner.next() will return the first attribute of the
-    * entity.
-    * @return {Object} the entity parsed
-    */
-   var parseLINE = function() {
-      var entity = { type: curr.value, vertices: [] };
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-            case 10: // X coordinate of point
-               entity.vertices.unshift(parsePoint());
-               break;
-            case 11:
-               entity.vertices.push(parsePoint());
-               break;
-            case 210:
-               entity.extrusionDirection = parsePoint();
-               break;
-            case 100:
-               if(curr.value == 'AcDbLine') {
-                  curr = scanner.next();
-                  break;
-               }
-            default:
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-      return entity;
-   };
-
-   /**
-    * Used to parse a circle or arc entity.
-    * @return {Object} the entity parsed
-    */
-   var parseCIRCLE = function() {
-      var entity, endAngle;
-      entity = { type: curr.value };
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-            case 10: // X coordinate of point
-               entity.center = parsePoint();
-               break;
-            case 40: // radius
-               entity.radius = curr.value;
-               curr = scanner.next();
-               break;
-            case 50: // start angle
-               entity.startAngle = Math.PI / 180 * curr.value;
-               curr = scanner.next();
-               break;
-            case 51: // end angle
-               endAngle = Math.PI / 180 * curr.value;
-               if(endAngle < entity.startAngle)
-                  entity.angleLength = endAngle + 2 * Math.PI - entity.startAngle;
-               else
-                  entity.angleLength = endAngle - entity.startAngle;
-               entity.endAngle = endAngle;
-               curr = scanner.next();
-               break;
-            default: // ignored attribute
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-      return entity;
-   };
-
-   var parseTEXT = function() {
-      var entity;
-      entity = { type: curr.value };
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-         switch(curr.code) {
-            case 10: // X coordinate of 'first alignment point'
-               entity.startPoint = parsePoint();
-               break;
-            case 11: // X coordinate of 'second alignment point'
-               entity.endPoint = parsePoint();
-               break;
-            case 40: // Text height
-               entity.textHeight = curr.value;
-               curr = scanner.next();
-               break;
-            case 41:
-               entity.xScale = curr.value;
-               curr = scanner.next();
-               break;
-            case 1: // Text
-               entity.text = curr.value;
-               curr = scanner.next();
-               break;
-            // NOTE: 72 and 73 are meaningless without 11 (second alignment point)
-            case 72: // Horizontal alignment
-               entity.halign = curr.value;
-               curr = scanner.next();
-               break;
-            case 73: // Vertical alignment
-               entity.valign = curr.value;
-               curr = scanner.next();
-               break;
-            default: // check common entity attributes
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-      return entity;
-   };
-
-   var parseDIMENSION = function() {
-      var entity;
-      entity = { type: curr.value };
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-            case 2: // Referenced block name
-               entity.block = curr.value;
-               curr = scanner.next();
-               break;
-            case 10: // X coordinate of 'first alignment point'
-               entity.anchorPoint = parsePoint();
-               break;
-            case 11:
-               entity.middleOfText = parsePoint();
-               break;
-            case 71: // 5 = Middle center
-               entity.attachmentPoint = curr.value;
-               curr = scanner.next();
-               break;
-            case 42: // Actual measurement
-               entity.actualMeasurement = curr.value;
-               curr = scanner.next();
-               break;
-            case 1: // Text entered by user explicitly
-               entity.text = curr.value;
-               curr = scanner.next();
-               break;
-            case 50: // Angle of rotated, horizontal, or vertical dimensions
-               entity.angle = curr.value;
-               curr = scanner.next();
-               break;
-            default: // check common entity attributes
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-
-      return entity;
-   };
-
-   var parseSOLID = function() {
-      var entity;
-      entity = { type: curr.value };
-      entity.points = [];
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-            case 10:
-               entity.points[0] = parsePoint();
-               break;
-            case 11:
-               entity.points[1] = parsePoint();
-               break;
-            case 12:
-               entity.points[2] = parsePoint();
-               break;
-            case 13:
-               entity.points[3] = parsePoint();
-               break;
-            case 210:
-               entity.extrusionDirection = parsePoint();
-               break;
-            default: // check common entity attributes
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-
-      return entity;
-   };
-
-   var parsePOINT = function() {
-      var entity;
-      entity = { type: curr.value };
-      curr = scanner.next();
-      while(curr !== 'EOF') {
-         if(curr.code === 0) break;
-
-         switch(curr.code) {
-            case 10:
-               entity.position = parsePoint();
-               break;
-            case 39:
-               entity.thickness = curr.value;
-               curr = scanner.next();
-               break;
-            case 210:
-               entity.extrusionDirection = parsePoint();
-               break;
-            case 100:
-               if(curr.value == 'AcDbPoint') {
-                  curr = scanner.next();
-                  break;
-               }
-            default: // check common entity attributes
-               checkCommonEntityProperties(entity);
-               break;
-         }
-      }
-
-      return entity;
-   };
-   
-   var ensureHandle = function(entity) {
-      if(!entity) throw new TypeError('entity cannot be undefined or null');
-      
-      if(!entity.handle) entity.handle = lastHandle++; 
-   };
-
-   parseAll();
-   return dxf;
-};
-
-function logUnhandledGroup(curr) {
-   log.debug('unhandled group ' + debugCode(curr));
-}
-
-
-function debugCode(curr) {
-   return curr.code + ':' + curr.value;
-}
-
-/**
- * Returns the truecolor value of the given AutoCad color index value
- * @return {Number} truecolor value as a number
- */
-function getAcadColor(index) {
-   return AUTO_CAD_COLOR_INDEX[index];
-}
-
-const BLOCK_ANONYMOUS_FLAG = 1;
-const BLOCK_NON_CONSTANT_FLAG = 2;
-const BLOCK_XREF_FLAG = 4;
-const BLOCK_XREF_OVERLAY_FLAG = 8;
-const BLOCK_EXTERNALLY_DEPENDENT_FLAG = 16;
-const BLOCK_RESOLVED_OR_DEPENDENT_FLAG = 32;
-const BLOCK_REFERENCED_XREF = 64;
-
-//*! loglevel - v1.4.1 - https://github.com/pimterry/loglevel - (c) 2016 Tim Perry - licensed MIT */
-(function (root, definition) {
-    "use strict";
-    if (typeof define === 'function' && define.amd) {
-        define(definition);
-    } else if (typeof module === 'object' && module.exports) {
-        module.exports = definition();
-    } else {
-        root.log = definition();
-    }
-}(this, function () {
-    "use strict";
-    var noop = function() {};
-    var undefinedType = "undefined";
-
-    function realMethod(methodName) {
-        if (typeof console === undefinedType) {
-            return false; // We can't build a real method without a console to log to
-        } else if (console[methodName] !== undefined) {
-            return bindMethod(console, methodName);
-        } else if (console.log !== undefined) {
-            return bindMethod(console, 'log');
-        } else {
-            return noop;
-        }
-    }
-
-    function bindMethod(obj, methodName) {
-        var method = obj[methodName];
-        if (typeof method.bind === 'function') {
-            return method.bind(obj);
-        } else {
-            try {
-                return Function.prototype.bind.call(method, obj);
-            } catch (e) {
-                // Missing bind shim or IE8 + Modernizr, fallback to wrapping
-                return function() {
-                    return Function.prototype.apply.apply(method, [obj, arguments]);
-                };
-            }
-        }
-    }
-
-    // these private functions always need `this` to be set properly
-
-    function enableLoggingWhenConsoleArrives(methodName, level, loggerName) {
-        return function () {
-            if (typeof console !== undefinedType) {
-                replaceLoggingMethods.call(this, level, loggerName);
-                this[methodName].apply(this, arguments);
-            }
-        };
-    }
-
-    function replaceLoggingMethods(level, loggerName) {
-        /*jshint validthis:true */
-        for (var i = 0; i < logMethods.length; i++) {
-            var methodName = logMethods[i];
-            this[methodName] = (i < level) ?
-                noop :
-                this.methodFactory(methodName, level, loggerName);
-        }
-    }
-
-    function defaultMethodFactory(methodName, level, loggerName) {
-        /*jshint validthis:true */
-        return realMethod(methodName) ||
-            enableLoggingWhenConsoleArrives.apply(this, arguments);
-    }
-
-    var logMethods = [
-        "trace",
-        "debug",
-        "info",
-        "warn",
-        "error"
-    ];
-
-    function Logger(name, defaultLevel, factory) {
-        var self = this;
-        var currentLevel;
-        var storageKey = "loglevel";
-        if (name) {
-            storageKey += ":" + name;
-        }
-
-        function persistLevelIfPossible(levelNum) {
-            var levelName = (logMethods[levelNum] || 'silent').toUpperCase();
-
-            // Use localStorage if available
-            /* fry commented out to get rid of console.log message
-            try {
-                window.localStorage[storageKey] = levelName;
-                return;
-            } catch (ignore) {}
-            */
-            // Use session cookie as fallback
-            try {
-                window.document.cookie =
-                    encodeURIComponent(storageKey) + "=" + levelName + ";";
-            } catch (ignore) {}
-        }
-
-        function getPersistedLevel() { //might return undefined
-            var storedLevel;
-
-           /* fry commented out to get rid of console.log error message
-            try {
-                storedLevel = window.localStorage[storageKey];
-            } catch (ignore) {}
-           */
-
-            if (typeof storedLevel === undefinedType) {
-                try {
-                    var cookie = window.document.cookie;
-                    var location = cookie.indexOf(
-                        encodeURIComponent(storageKey) + "=");
-                    if (location != -1) {
-                        storedLevel = /^([^;]+)/.exec(cookie.slice(location))[1];
-                    }
-                } catch (ignore) {}
-            }
-
-            // If the stored level is not valid, treat it as if nothing was stored.
-            if (self.levels[storedLevel] === undefined) {
-                storedLevel = undefined;
-            }
-
-            return storedLevel;
-        }
-
-        /*
-         *
-         * Public API
-         *
-         */
-
-        self.levels = { "TRACE": 0, "DEBUG": 1, "INFO": 2, "WARN": 3,
-            "ERROR": 4, "SILENT": 5};
-
-        self.methodFactory = factory || defaultMethodFactory;
-
-        self.getLevel = function () {
-            return currentLevel;
-        };
-
-        self.setLevel = function (level, persist) {
-            if (typeof level === "string" && self.levels[level.toUpperCase()] !== undefined) {
-                level = self.levels[level.toUpperCase()];
-            }
-            if (typeof level === "number" && level >= 0 && level <= self.levels.SILENT) {
-                currentLevel = level;
-                if (persist !== false) {  // defaults to true
-                    persistLevelIfPossible(level);
-                }
-                replaceLoggingMethods.call(self, level, name);
-                if (typeof console === undefinedType && level < self.levels.SILENT) {
-                    return "No console available for logging";
-                }
-            } else {
-                throw "log.setLevel() called with invalid level: " + level;
-            }
-        };
-
-        self.setDefaultLevel = function (level) {
-            if (!getPersistedLevel()) {
-                self.setLevel(level, false);
-            }
-        };
-
-        self.enableAll = function(persist) {
-            self.setLevel(self.levels.TRACE, persist);
-        };
-
-        self.disableAll = function(persist) {
-            self.setLevel(self.levels.SILENT, persist);
-        };
-
-        // Initialize with the right level
-        var initialLevel = getPersistedLevel();
-        if (initialLevel == null) {
-            initialLevel = defaultLevel == null ? "WARN" : defaultLevel;
-        }
-        self.setLevel(initialLevel, false);
-    }
-
-    /*
-     *
-     * Package-level API
-     *
-     */
-	
-    var defaultLogger = new Logger();
-		
-    var _loggersByName = {};
-    defaultLogger.getLogger = function getLogger(name) {
-        if (typeof name !== "string" || name === "") {
-            throw new TypeError("You must supply a name when creating a logger.");
-        }
-
-        var logger = _loggersByName[name];
-        if (!logger) {
-            logger = _loggersByName[name] = new Logger(
-                name, defaultLogger.getLevel(), defaultLogger.methodFactory);
-        }
-        return logger;
-    };
-
-    // Grab the current global log variable in case of overwrite
-    var _log = (typeof window !== undefinedType) ? window.log : undefined;
-    defaultLogger.noConflict = function() {
-        if (typeof window !== undefinedType &&
-            window.log === defaultLogger) {
-            window.log = _log;
-        }
-
-        return defaultLogger;
-    };
-
-    return defaultLogger;
-}));
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/speech_reco.js b/speech_reco.js
new file mode 100644
index 00000000..9582445b
--- /dev/null
+++ b/speech_reco.js
@@ -0,0 +1,3 @@
+/**
+ * Created by Fry on 3/29/17.
+ */