anchor.diff:  player_id was invalid for the provided game_
   
   ### Play a Card [POST]
  -Choose a card value to play. Until your opponent chooses their card for this round, you may update the card you wish to play
  +Choose a card value to play. 
  +Until your opponent chooses their card for this round, you may update the card you wish to play
  +
  +After the round is resolved, both players draw a card from the shuffled deck
  +
  +Once the deck is empty, the player with the fewest cards wins.
  +
  +If your card is *lower* than our opponents, your card is discarded and theirs returns to their hand.
  +
  +If both cards are the same value, both are discarded
  +
  +Playing the Ace of Spades lets you discard any card while *also* discarding your opponent's card
  +
  +After playing the Ace, it moves to your opponent's hand
   
   + Parameters
       + game_id (required, number) - unique ID for the game
       + player_id (required, number) - your unique player ID
       + card (required, number) - the card value you wish to play (suits are ignored)
  -     
  +    + ace (optional, boolean) - whether you want to play the ace of spades
  +    
   + Request (application/json)
       {
   
  
positive.code: 
  Start each player with starts with 5 cards from a shuffled deck
  
  > The first player to discard their entire hand wins
   
  ## Starting a New Game [/new]
  
  
negative.code: player_id was invalid for the provided game_
  
  + Response 403 
  player_id did not have the selected card