simi/mongoid-versioning — pull request #3 by arthurnn (2013-11-19 03:25:09+00:00)
Title: Remove versions on document clone

I just removed a remaining `versions` code on clone method. see https://github.com/mongoid/mongoid/commit/248b60ebc3174e0e031c1aa49ab7977d8e78e53a

So I am adding that behaviour in here.

review @simi