Refactored bingo into its own package
Incorporated generator base class for game state
Refactored bingo into its own package
Incorporated generator base class for game state
Merge remote-tracking branch 'origin/Implementing-generator-based-state-for-bingo' into Implementing-generator-based-state-for-bingo

Conflicts:
	resources/save_game.json
Merge branch 'master' into Implementing-generator-based-state-for-bingo

Conflicts:
	resources/save_game.json
Basic display of cards
Added clicking on the numbers
Changes to make work on Python3
Add marker and highlighter to square
Fill table with set colour
Implemented pattern objects and highlighting them on the screen
Testing out visual representation of patterns
Choose number on the cards randomly
Label the cards
git testing
more git testing
Add mouse over highlighting for squares
Fix double checking for mouse click / mouse motion
still more git testing