Additions

• Local multiplayer.
• Chance of rain (set individually for each room in the level editor).
• Camera zoom adjustment (again, set individually for each room in the level editor).
• Options menu.

Adjustments

• Tank rotation when using the keyboard has been smoothed.
• Updated level editor instructions.

Bugfixes

• Fixed the controllers becoming unresponsive because of some fuckery.
• Tanks won't spawn too close to the door.
• Fixed an error when bombers (the small yellow guys) got confused if all players died.