Allow a re-install of existing ruby version.
Allow a re-install of existing ruby version.

x44x45x41x4E/capistrano-mb,m43nu/capistrano-mb,mattbrictson/capistrano-mb,m43nu/capistrano-mb,m43nu/capistrano-mb,x44x45x41x4E/capistrano-mb,x44x45x41x4E/capistrano-mb,mattbrictson/capistrano-mb,mattbrictson/capistrano-mb