MooTools pattern fun: Class Implements + Extends at the same time

Update: Thanks to @CarstenSchwede, who pointed out that the MooTools Class Constructor expects the Extends mutator __before__ the Implements one, meaning you don’t need to worry about any of the stuff I had to come up with (described in this post). Upon further investigation with Arian, it turns out that MooTools 2.0 will NOT be [...]