Added new common speed cards -- Shambling, Running, Blitzing

Added Survival Versus as a gamemode

Charger move speed is now independent from common move speed
Added a countdown to the Hunted and Onslaught corruption cards
Made the exploder's explosion deal explosive damage (instead of generic)
Fixed explosive commons spawning too many entities
Added Uncommon Infected corruption cards

- Fixed and enabled Hunted/Onslaught cards
- Propane tank on explosive commons now has a hitbox

Fixed some minor visual bugs
Added player cards, use !pick [A-Z] to choose your card
Added HUD for showing player and corruption cards (edited)
Disabled Hunted/Onslaught cards since they are currently broken

Changed some names on ping
Forklifts and logs are no longer hittable
Added a corruption card to spawn hordes during a swarm circle
All alarmed police cars now use the same model
All regular alarmed cars are converted to police cars
Increased max ping range
Improved horde spawning mechanic, hordes are not a full panic event but triggering a hazard will now queue up a mob spawn

-fixes

-fixes

-fixes

Gameplay
Added Sleepers
Dumpsters are no longer hittables
Hittable cars are now explosive
Police cars are now alarmed
Fixed alarm door sound not stopping if the door is broken
Added FX when taking damage from the swarm circle
Added FX when taking damage from fire common
Added knockback on tallboy punches
Adjusted knockback on exploders and exploding common
Exploding common can now knock away special infected
Reduced number of crow spawns with The Birds card (from x4.5 to x3)
Witch will run away and die after being triggered
Changed world ping indicator

-fixes
-special common spawn adjustment