hakanensari/mongoid-slug — pull request #49 by DouweM (2012-02-17 23:01:39+00:00)
Title: Add support for keeping a history of slugs the document is returned for.

Comparable to FriendlyId's [`History` module](https://github.com/norman/friendly_id/blob/master/lib/friendly_id/history.rb). One difference: The mongoid version *does* support history in combination with scoping.