sole/tween.js — pull request #115 by deanm (2014-04-25 22:22:28+00:00)
Title: Move the _reversed yoyo flag outside of the property loop.

It should be updated just once, not for each property.
Previously it was only correct when using an odd number of properties.

I realize the _reversed flag is currently unused, which means this patch doesn't really matter, but I ended up making a local modification to use _reversed and then discovered / fixed this bug.