A simple example of how to build up data for cards and keep them stacks and hands. Includes code to select and drag the cards around.
A deck is a unquie set of cards, and owns the card data. Represents the cards in the box. A stack is a set of card pointers, used for things like draw decks. Represents a stack of some subset of the cards from a deck. A hand is a set of card pointers that are manipulatable and dragable. These represent the cards a player has drawn or are in play.
