AnimateTransition.animateStep(): store count of elements locally so that multistep animations will work with differing number of elements.  count all elements instead of just elements in array so that calls to _callbackDQ will happen the proper number of times
AnimateTransition.animateStep(): store count of elements locally so that multistep animations will work with differing number of elements.  count all elements instead of just elements in array so that calls to _callbackDQ will happen the proper number of times

tobymackenzie/Web-ClientBehavior,tobymackenzie/Web-ClientBehavior