Gatling Laser

NOTE: Outdated mods will disappear from the workbench once you sell/discard the old loose mods
 * Gatling Lasers can drop as damaged and their scrap gives both heavy and laser parts
 * Burning damage rank 1 does 5 fire damage over 5 seconds (from 9 over 3 seconds)
 * Burning damage rank 2 does 10 fire damage over 5 seconds (from 15 over 3 seconds)
 * The Gatling Laser uses the X-24 Laser Pistol style modding system
 * All custom barrels are added to work similar to the X-24 system
 * Barrels no longer have different ammo types
 * Old barrels and receivers are converted to outdated mods
 * Beam colors can be changed
 * Damage on receivers have been adjusted
 * You can now swap between Electron Charge Cells and Fusion Cells (Weapons Workbench, Field Kit)
 * Uses the "Heavy Weapon" icon in your inventory now
 * The Gatling Laser is now craftable in the ZX-1 Experimentation Lab (after you reverse engineer it)