Inmediate things:
    1) Add basic animation support to the BaseActor class.
    2) Add sound support to the BaseState subclasses.
    3) Implement the 8 directional actor subclass.
    4) Implement the global player object.
    5) Take the score from the global player object in ScoreState.
    6) Implement the NPC's based on the 8 directional actor subclass.
