Fixed zero divisor error if maximum fog is set to 0
(cherry picked from commit A3Wasteland/ArmA3_Wasteland.Altis@a4024bb80a03119f53da68e695ff1c7d9a109110)
Fixed rare error caused by items dropped on death
(cherry picked from commit A3Wasteland/ArmA3_Wasteland.Altis@1a770c460da108a388c52694bc74981e31c2e010)
Fixed some money exploits (#32)