1) Fixed a crash bug when selecting the minimum size in close engagement mode.
2) Changed ammo layout for the Flak36 gun.
3) Changed the algorithm of rotation of the Maxim machine gun when firing.
4) Added an additional check to workaround a bug in XAudio audio library, which caused the game to crash in some cases.
5) Added winter camouflage for Mk2 and Mk3 tanks.
6) Added checking for valid characters in a profile name.