Update to v13- Maximum Carnage

-Added M16A1

-Added toggle between having SMG or M16A1 on slot 4

-Added the inversion wave device (found in scavenger boxes)

-Added the devil whip (found in scavenger boxes)

-Added an instruction manual.

-Added optional footstep sounds.

-Added ammo pickup sounds.

-Added better bullet casing sounds.

-Added backpack spawning toggle.

-Added scavenger box spawning toggle.

-Added berserk spawning toggle.

-Added 4 new random armor types.

-Added option to choose a specific armor type.

-Added Piwo.

-Added an optional hip check attack.

-Increased jump by 1 unit to make jumpkicking slightly easier.

-Fixed a bug with the extra damage display.

-Fixed a sprite conflict with Legacy of Rust trees.