Bugfix Update

Changelog:

- New Texturepack

An optional Texturepack for green Creative Ammo Boxes is now built-in

- Hopper fed

Finally!! Hoppers can load Twin Autocannons

- Heavy Autocannon redesign

Heavy Autocannons are now 2 pixel smaller in diameter

- Caseless and Charged Shells

Caseless as well as Charged Shells are now able to fire

- Vertical Twin Autocannon Barrel offset

A funny offset of Twin Autocannon Barrels under specific conditions is removed