Add autoprefixer
Split log() method to a util file
Improve log messages, and fix some bugs in logging
Further improvements to log messages
Rename 'log' to 'output'
Reduce number of spaces between action and filename
Minor change
AssetGroup class
Further refactoring
Fix watch
Remove shorthand for easier reading
Alignment
Don't allow .js/.css directory in source
Update changelog
Refactor _copyGeneratedDirectory method
Reorganise files, automatically run matching tests
Refactor config & add unit tests
'output' unit tests
Use _ prefix for private method in UrlRewriter
Remove chdir - no longer needed