added mods to spawn a gun, a field, and rerolls
added mod that gives max health for leftover power ups
this mod has some interesting interactions with other mods
mod annihilation now uses 20% of base energy and doesn't trigger damage immunity
mod Hawking radiation removed
mod negative temperature: freezed mobs in range of negative mass field, but drain energy
mod: logistics
ammo power ups are added to your current gun
spawn 4 ammo immediately