Cleanup: Removed debug code from TunnelEntranceObject
Merge branch 'master' of https://github.com/jtrfp/terminal-recall.git
Created SteadilyRotating behavior.
Created ResetsRandomlyAfterDeath.
DEFObject: Boss faces player, implemented bobbing behavior, implemented
slowly rotating behavior.
Fixed F3 powerup nomenclature for turbo and shield boost.