http://guides.rubygems.org/make-your-own-gem/ http://www.intridea.com/blog/2012/3/8/polishing-rubies-part-ii
gem yank my-gem -v0.0.0
--Before pushing a new version of a gem... change version number in gemspec
bundle git add . git status git commit gem build my-gem.gemspec gem push my-gem-0.0.0.gem