moves cache back to instance level to share across tournaments
moves cache back to instance level to share across tournaments

risicle/Axelrod,emmagordon/Axelrod,bootandy/Axelrod,kathryncrouch/Axelrod,kathryncrouch/Axelrod,uglyfruitcake/Axelrod,risicle/Axelrod,bootandy/Axelrod,uglyfruitcake/Axelrod,mojones/Axelrod,mojones/Axelrod,emmagordon/Axelrod,drvinceknight/Axelrod