Merge pull request #21 from alanhamlett/master

remove unused imports in example script
Merge pull request #22 from alanhamlett/master

don't compress javascript files in debug mode
going back to md5 to hash files instead of modification time
Update setup.py
[requires.io] dependency update
Merge pull request #23 from jaysonsantos/requires-io-master

[requires.io] dependency update on master branch
Update README.md
feature: add coffee compiler
Update README.md
Merge pull request #25 from Samael500/master

feature: add coffee compiler
fix coffee compression when debug is not True