Added sample data for all_players
Updated a test to ensure endpoints
Added test for get_all_players endpoint
Added class to test a GameXML class
Created a test to see if GameXML is of Game
Greenlit GameXML is of Game
Added test to ensure correct date in Game object
Duplicated a test for the Game class
Added comment for GameXML test
Renamed a test for clarity
Greenlit game date correctness
Greenlit date stuff for gamexml