Updated killedMonster to reflect parameter change

Removed the momentum parameter since the target is passed in anyways
Added none checks in timer and fix rage scrake counting

Apparently bots don't have owners so the timer was spamming none messages
in the log file
Forgot to account for blows that kill scrakes, starting from above rage hp
Changed WaveNum usage to be one off and added pawn check in timer
Bug fix for net loss and small code revision

Used the wrong formula for computing 5% margin of error
Changed impact damage from explosives to blunt grenades
Minor optimization for wild wild west