Gitignore .ruby-version and .ruby-gemset
Support for phinze/homebrew-cask. Fixes #10
@Adkron #pairwithme
Update README
Split Brewdler::Installer into Brewdler::CaskInstaller and Brewdler::BrewInstaller
Add backwards compatibility
Merge pull request #11 from jamesaanderson/master

Support for phinze/homebrew-cask