10/11/2008 - v1.0 - First test11/11/2008 - v1.1 - added zombie can't be visible if it will be frozen.23/12/2008 - v1.2.2 - added 2 more cvars for red and green color, changed zombie stats was so weak, now ghost zombie will be fall resist.24/02/2009 - v1.2.9 - removed none working function if you were frozen, added silent footsteps, added cvar for invisibility, corrected some spelling mistakes, fixed if this zombie class was Nemesis, fixed invisibility, optimized code.25/02/2009 - v1.3.1 - removed useless call functions (connected, disconnected, died), optimized code by adding AddToFullPack since I've never called public ghost zombie.