Gobble fails on nonexistent folder

[martypdx]

Shouldn't kill gobble on bad directory?

GOBBLE WARNING The 'assets/js/vendor' directory does not exist!
GOBBLE INFO    59-sassFilter transformation finished in 15ms
GOBBLE INFO    60-myplugin transformation finished in 1ms
GOBBLE INFO    61-ractive transformation finished in 6ms
GOBBLE INFO    55-include transformation finished in 1ms
GOBBLE INFO    56-es6transpiler transformation finished in 14ms
GOBBLE INFO    62-merge finished in 3ms
GOBBLE INFO    63-browserify transformation finished in 990ms
GOBBLE INFO    58-sass transformation finished in 4ms
TypeError: Cannot read property 'length' of undefined
    at /Users/marty/ractive-project/node_modules/gobble/lib/file/ls.js:24:25
    at ReaddirReq.Req.done (/Users/marty/ractive-project/node_modules/gobble/node_modules/graceful-fs/graceful-fs.js:141:5)
    at ReaddirReq.done (/Users/marty/ractive-project/node_modules/gobble/node_modules/graceful-fs/graceful-fs.js:88:22)
    at Object.oncomplete (fs.js:107:15)

[Rich-Harris]

On reflection, yes, it should

[Rich-Harris]

Fixed and released in 0.6.2