anchor.diff:  
   ### 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
  -
  -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
  +Until your opponent chooses their card for this round, you may update your choice
   
   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
  
positive.code: Take a regular deck and remove all face cards, leave only the ace of spades and numbered cards (37 total)
  
  Start each player with starts with 5 cards from a shuffled deck
  
  > Win by discarding your entire hand, or having the fewest cards when the draw pile is empty
   
  
negative.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
  