Merge pull request #2 from bclinkinbeard/master

Add shim option for packages that don't define a style field or use index.css
Reformat readme
Format test code
Add alias option
Update README to include info on alias config
Formatting
Simplify file paths
Fix list indent in readme
0.4.0
Allow single quotes. Fixes #5
0.4.1
Add support for whitespace-sensitive CSS with {whitespace: true}
Generalize whitespace-sensitive support as a prefilter option
Document the prefilter option
Merge pull request #6 from mjpizz/master

Add support for whitespace-sensitive CSS
Formatting
0.5.0
Pass filename as second arg to prefilter
Merge pull request #7 from bclinkinbeard/prefilter-extension

Pass filename as second arg to prefilter
Simplify tests