This class extends CompositeAnimations for composite animations (an animation built of 2 or more animations) that all run in parallel.

	initialization
	children:undoable:inWonderland:

	management
	prologue: update:

	copying	top
	copy Creates the undo version of an animation
	makeUndoVersion Creates the undo version of an animation
	reversed Creates a reversed version of an animation

	initialization	top
	children:undoable:inWonderland: This method initializes the Animation with all the information that it needs to run.

	management	top
	prologue: This method performs any actions that need to be done before the parallel animation starts.
	update: This method updates the parallel animation based on the current time, which mainly consists of updating all the component animations.