#npcedit Changes.

Edited #npcedit to include more options and changed a few to be multiple arguments rather than separate commands.

- #npcedit wep1/#npcedit wep2 is now #npcedit weapon [primary] [secondary]
- #npcedit mindmg/#npcedit maxdmg is now #npcedit damage [minimum] [maximum]
- #npcedit meleetype [primary] [secondary]
- #npcedit rangedtype
- #npcedit ammoidfile
- #npcedit trackable
- #npcedit attackcount
- #npcedit avoidance
- #npcedit walkspeed
- #npcedit armtexture
- #npcedit bracertexture
- #npcedit handtexture
- #npcedit legtexture
- #npcedit feettexture
- #npcedit herosforgemodel
- #npcedit slow_mitigation