Remove redundant function.
Use internal game_id instead of passed in.
c_user_game.bank => cash
Add function for getting user cash.
Remove redundant function.
Add function for setting user cash.
Add Game subcontroller to main controller.
Implement properyt buying.
Implement proprty mortgaging.
Delete useless function.
Push update whenever a user's cash count is updated.
Add Game subcontroller.