give List<Players> to PlayerManager

PlayerManager can now hold a list of players that the game class can use
create List<Players> in Game

write test to initialize players in constructor of game
refactor GameTests / initializePlayers pass

spiked the game class to understand the structure of the code needed.
now going back and writing flexible tests for each of the methods in
game

initializePlayers pass
remove game's dependency on playerManager
change spacing and delete extra characters