Add possibility to return to menu after game
With RETURN the game jumps back to the begin_game function and displays the start menu.
On branch return_to_menu
Changes to be committed: modified: InteractiveFlappies.py modified: tabby_birds.py
With RETURN the game jumps back to the begin_game function and displays the start menu.
On branch return_to_menu
Changes to be committed: modified: InteractiveFlappies.py modified: tabby_birds.py