mini black hole mobs travel through walls
mod: radioactive contamination - after a mob or shield dies, leftover radiation spreads to a nearby mob
mod: half-wave rectifier - railgun overfills with energy when you charge instead of draining
removed rail gun mod - frame dragging
bug fixed - rail gun bugs out when your charge speed gets very low
mod: sentry - mines are modified to automatically fire nails at nearby targets for 12 seconds
