A generic class for saving your game
Static methods
staticINIT (save_slot:String):Void
Call this before saving or loading!
 *  @param save_slot	the name of your save file
staticLOAD ():Null<Dynamic>
Load data from file (make sure it matches the structure of what you SAVED earier!)
 *  @return Null<Dynamic>
staticSAVE (data:Dynamic):Void
Save data to file
 *  @param data	Dynamic object with data to save (make sure it matches the structure of what you're trying to LOAD later!)