imakewebthings/jquery-waypoints — pull request #192 by ideasasylum (2013-07-18 16:16:28+00:00)
Title: Implement the option to 'unstuck' a bottom bar

The coffeescript patch from issue #172 (ported from the Javascript diff by @bennykanezza

Works well for my application and tests still pass (though I've added no new tests for this functionality)