anchor.diff:  ## The Choice
   Each round, players choose a single card value to play (i.e. "all my 9's" or "three of my 4's")
   
  -> You may play choose to play multiple cards with the same value with no repercussions
  +> You may play choose to play multiple cards with the same value with no advantage or downside (discarding all of them)
   
   ## The Showdown
   
  
positive.code: 
  > Win by discarding your entire hand, or having the fewest cards when the draw pile is empty
   
  ## Starting a New Game [/new/{player_id}{?rival_id}]
  
  Create a new game for two players
  
  + Parameters
      + player_id (required, number) - unique ID for player creating the game
  
negative.code:                 "player_id" : '31337' 
                  "cards": [ {value: '2', suit:'diamonds'}]
          }
  
  + Response 400 (text/plain)
  
          specified player_id not found
  
  ## Playing the Game [/play/{game_id}{?player_id,card,ace}]
  
  