anchor.diff:  + Response 200 (application/json)
   
           { 
  -            "game_id": '42',
  +            "game_id": "42",
  +            "status" : "waiting"
  +            "choice" : "2"
               "hand" : {
                   "player_id" : '31337' 
                   "cards": [ {value: '2', suit:'diamonds'}]
  
positive.code: Make a move or check the current game state
  
  ### Show your Hand [GET]
  Get the current hand for a specified player and game
  
  + Parameters
      + game_id (required, number) - unique ID for the game
  
negative.code: 
          player_id was invalid for the provided game_
  
  + Response 402 (text/plain)
  
          showdown is in progress, please wait until game `status` is `ready`
  
  + Response 403 (text/plain)
  
          player_id does not have the selected card