Shifter v0.5 Alpha

The next step in Shifter. Adds a new random inventory element to NPCs, along with a few more weapon tweaks.
This next version of Shifter adds in a new feature: random NPC inventory. Based on random chance, NPCs may be given an item from a set list. It could be something useless, like cigarettes, or it could be something more useful, like Throwing Knives or