anchor.diff:      + creator_id (required, number) - unique ID for player creating the game
       + rival_id (required, number) - unique ID for opponent player to challenge
   
  -### Start a new game [GET]
  +### Start a new game [GET,POST]
   + Response 200 (application/json)
       { 
           "game_id": '42',
  
positive.code: 
  + Parameters
      + game_id (required, number) - unique ID for the game
      + player_id (required, number) - Your player ID
       
  + Response 200 (application/json)
      { 
  
negative.code: 
  Choosing to play the Ace of Spades will discard any card value while *also* discarding the opponent's card(s)
  
  
  
  + Parameters
      + game_id (required, number) - unique ID for the game
      + player_id (required, number) - your unique player ID
  