Many, many changes

Fix bug with child states on border of parent Add listMiddleware for dispatching multiple actions. Label sticks only show when hovered over, otherwise hidden Adjust designer for animation Add depth attribute for prettier looking hierarchical states Add bezier curve algorithm for curved paths Generalized the drawer for use with messages and animation. Disable animation for label movement Change base colour of composite states Change size of pseudo states Fix bug in label movement, labels not moving properly with parent state