fixed medkit and left 4 dead 2 pistols

using newer set ammo methods, fix for HS:S weapons, fix for weapons that shouldn't shoot but do when infinite ammo is enabled...though some sweps may still have issues, fix for errors when player is stripped of weapons

Fix for errors when a player disconnects while infinite ammo is active on them.

Potential Fix for TFA Base Weapons

fixed not working with mulitple players on a server?

Added support for guns that don't need to reload.

fixed category name

Fixed issue: Not working properly with HL2 Grenades, SLAMS, Secondary Ammo and RPGs