Add Implicit Async Functions

.gitignore

@@ -5,6 +5,8 @@ test.litcoffee
 parser.output
 test/fixtures/underscore
 test/*.js
+!test/promise.js
 examples/beautiful_code/parse.coffee
 *.gem
 /node_modules
+build.sh

Cakefile

@@ -277,10 +277,11 @@ runTests = (CoffeeScript) ->
   # Run every test in the `test` folder, recording failures.
   files = fs.readdirSync 'test'
 
-  # Ignore generators test file if generators are not available
+  # Ignore generator dependent test files if generators are not available
   generatorsAreAvailable = '--harmony' in process.execArgv or
     '--harmony-generators' in process.execArgv
   files.splice files.indexOf('generators.coffee'), 1 if not generatorsAreAvailable
+  files.splice files.indexOf('async.coffee'), 1 if not generatorsAreAvailable
 
   for file in files when helpers.isCoffee file
     literate = helpers.isLiterate file