redding/rb — pull request #31 by kellyredding (2013-03-04 17:04:57+00:00)
Title: `exec` command - execute a command using a specific ruby version

Does just that. Designed to run a single command using a given ruby
version. Useful in environments where you don't want auto handling
but want to ensure commands run with the correct ruby version.

Closes #18.

@jcredding ready for review.