* Fixed some addons not being able to be extracted.
* Returned maps/*.png to game addon whilelist
* Fixed Player:KillSilent not forcing player to exit vehicle, making him stuck dead
* Fixed util.IsValidModel false-positives, now you can spawn big pipe from HL2
* Added more blocked commands to prevent servers from fukcing up players
* Fixed materials/gm_construct/grass-sand.vmt $surfaceprop2