Version bump to 0.2.1.
Version bump to 0.2.1.

eunomie/chgo,eunomie/chgo,JeanMertz/chruby-fish,rstacruz/chruby-fish,kbrock/chruby,regularfry/chruby,postmodern/chruby,postmodern/chruby,regularfry/chruby,kbrock/chruby,JeanMertz/chruby-fish,rstacruz/chruby-fish,ngpestelos/chruby,ilikepi/chruby,ilikepi/chruby,ngpestelos/chruby