Gameplay:
-The sniper rifle now deals 200/250/300 damage instead of 125/250/375
-Mass of pushable barrels : from 450 to 400
-Kickback changes : sniper (0,75), chaingun (1,25)
-Zombie secondary attack (barrels push) regen time now takes 5 seconds instead of 1.
-Zombie secondary attack (acid spit) regen time now takes 90 seconds instead of 60.
-Reduced the zombie vulnerability malus item from 150% damage to 125%.
-Added Stiff's Circulator as a bonus item.

-Added a cvar "zh_usenewzmtimer" to use the new timer method on ZM maps.
-Added a cvar "zh_nozombiesecondary" to disable the zombies secondary attack (can
still be obtained via the bonus items system, though)

Maps:
-Removed ZE04 and ZM02
-Major ZE02 changes
-Major ZE05 changes
-Major ZE06 changes
-Minor changes in ZM04 + added a music

General:
-pk3 format
-Reduced the resolution of the green and red "blur" effects.
-Reduced the acid smoke effect size (divided by 4).
-Adjusted the new sniper sprites to the bottom right corner to be closer to the old sprites
-Fixed an issue with achievements "unlocked" and "in progress" messages and non
4/3 aspect ratios
-CVARINFO lump. "sv_zh..." cvars are for the server, "cl_zh..." for the clients.
The mod is now ConsoleCommand free (except for the noise cheat fix).
-Various ACS fixes and improvements
-Condensed MAPINFO