Engine: * Fixed aiming for Ballgun and Flamethrower

Engine: * New weapon attributes: ejectX/ejectY: Offset to the hedgehog (center of hand graphic) where the projectile(s) will be spawned * Changed Laser Sight to origin from the weapon instead of the hedgehog (needs some adjustments while walking/jumping) * Changed most weapons to no longer shoot from the hedgehog's center and use the weapon's visible position instead (might require some testing and adjustments) * Silenced the small Piano explosions

Engine: * Added some animation to Vampirism's hand graphic

Engine: * Updated Flamethrower's hand graphic and added some animation

Prevent all portal loops the guaranteed way, at least until sheepluva's tests yield something reliable.

initial support for game modifiers (schemes)

Sonic set

claymore says that this needs to be 44.1 for some systems

Henek adds a flamethrower, updates some translations, and tweaks how fire works.

Engine: * Modified gas grenade and added graphics to it (better get a nose clip!) * Added the ability to tint visual gears * Added the ability to tint explosion effects * Birdy's eggs now cause a small green explosion

Skip collision on X for barrels that aren't knocked over

Increase minimum threshold for barrel damage to reduce likelihood of blowing one up on jumping out, increase damage to compensate (may need tweaking). Only apply dX for collision w/ kick if barrel is rolling.

portal-link-bugfix: make sure deleted portals don't reset links other than those to themselves

remove all portal specific code from EndTurnCleanup(), instead have portals self destruct if "CurrentHedgehog" is not the portal's creator