v5 Changelog

-Altfires added to Chainsaw, Rotary Cannon, Hellfire Launcher and Cerberus Rifle!
  -Chainsaw's altfire does a powerful sweep that can hit multiple enemies. 
  -Rotary Cannon's altfire can fire grenades, using 1 Rocket per use.
  -Hellfire Launcher's altfire fires a spread of flames, requiring 10 Cells per use.
  -Cerberus Rifle's altfire shoots bouncing plasma that splits into smaller 
   projectiles on impact. Requires 3 Cells per use.
-Fist & Berserk damage randomisation tweaked.
-Shotgun fires 1 tic faster, does slightly more damage
-Demolition Shotgun can gib foes at point-blank range
-Added a windup animation and sound for the Rotary Cannon.
-Rotary Cannon deals more damage per shot
-Hellfire Launcher fires faster, rockets are faster
-Added a GLDEFS lump, adding dynamic lights to all player attacks and projectiles
-BFG 21XX's projectile does more damage, and deals additional splash damage on impact
-BFG 21XX visual effects improved
-New gibbing sound effects added
-New item and weapon pickup sounds added
-New Status Bar graphic added