3.0 fixes

Fallen Survivor spawn adjusted to avoid crashes

Update 3.0, tsaa, pilots and baggagers have less spawn ratio to increase other spawns like mudman

improved stability with custom maps

tweaked riot infecteds. more improvement to l4d1 campaigns (urban places)

reduced riot infecteds

Update goes straight to 2.0.
Improved zombie mob, urban, suburban,police, swamp, rural and river
fixed clowns now they spawn only in urban places
fixed parachutist used to spawn more often than fallen survivors
fixed patient used to spawn too often in rural places
fixed mudmen used to spawn too often in urban places

1.8 Added Parachutist, imrpoved zombie variations

Added the passing

1.6 - Improved zombie variations on some maps from swamp and last stand