Fix invalid YAML in CHANGELOG

CHANGELOG

@@ -38,7 +38,7 @@ v0.4.2:
   date: 2013-11-21
   changes:
     - Extract internal "namespace" lib to external "getobject" lib.
-    - "Grunt collections" are now deprecated, use peerDependencies. See "grunt-contrib" 0.8.0 for details.
+    - '"Grunt collections" are now deprecated, use peerDependencies. See "grunt-contrib" 0.8.0 for details.'
     - Fix stdout / stderr issues on Windows. Closes gh-940, gh-921, gh-744, gh-792, gh-644, gh-708.
     - Fix pipe-redirecting on Windows. Closes gh-510.
     - Fixed this.options() in renamed basic tasks. Closes gh-855.
@@ -54,11 +54,11 @@ v0.4.1:
     - Fix path.join thrown errors with expandMapping rename. Closes gh-725.
     - Update copyright date to 2013. Closes gh-660.
     - Remove some side effects from manually requiring Grunt. Closes gh-605.
-    - grunt.log: add formatting support and implicitly cast msg to a string. Closes gh-703.
+    - "grunt.log: add formatting support and implicitly cast msg to a string. Closes gh-703."
     - Update js-yaml to version 2. Closes gh-683.
     - The grunt.util.spawn method now falls back to stdout when the `grunt` option is set. Closes gh-691.
     - Making --verbose "Files:" warnings less scary. Closes gh-657.
-    - Fixing typo: the grunt.fatal method now defaults to FATAL_ERROR. Closes gh-656, gh-707.
+    - "Fixing typo: the grunt.fatal method now defaults to FATAL_ERROR. Closes gh-656, gh-707."
     - Removed a duplicate line. Closes gh-702.
     - Gruntfile name should no longer be case sensitive. Closes gh-685.
     - The grunt.file.delete method warns and returns false if file doesn't exist. Closes gh-635, gh-714.