More easing equations.
More easing equations.

Closes #5.

weilitao/flambe,aduros/flambe,markknol/flambe,mikedotalmond/flambe,aduros/flambe,weilitao/flambe,mikedotalmond/flambe,playedonline/flambe,markknol/flambe,playedonline/flambe,Disar/flambe,playedonline/flambe,weilitao/flambe,markknol/flambe,Disar/flambe,Disar/flambe,Disar/flambe,weilitao/flambe,mikedotalmond/flambe,aduros/flambe,mikedotalmond/flambe,playedonline/flambe,aduros/flambe