Adds methods to add and remove cards from a hand
Adds specs for Player#discrad_cards
Updates player spec for refactoring of adding cards to hand
Adds Player#discard_cards method
Adds Player#pay_bet with spec
Adds Player#pay_winnings, #get_discards and #get_action
Adds specs for Game initialization
Adds Game#initialize method
Deck starts out shuffled
Adds render method for Hand
Adds Card#render
Fixes Player#discard method
Finishes Game class