neo/ruby_koans — pull request #128 by nvasileiadisgr (2014-01-03 11:02:48+00:00)
Title: Addition of version 2.1.0

Using 2.1.0 ruby version, I encountered an error during the solving process of Koan 161. So I added in ln:17 "2.1.0". Which now allows everyone with the newest version to complete this properly.