- Cross Platform Discussion: http://stackoverflow.com/questions/2108727/which-in-ruby-checking-if-program-exists-in-path-from-ruby
- Ruby Singleton Testing: http://www.plainlystated.com/2011/08/testing-singletons-in-ruby/
- Subcommands: http://whatisthor.com/
- Generators: http://blog.plataformatec.com.br/2009/07/creating-your-own-generators-with-thor/
- Cloud Foundry VMC Project: https://github.com/cloudfoundry/vmc
- Function Reference: http://rubydoc.info/gems/thor/0.15.4/Thor/
- Github: https://github.com/wycats/thor