garbage collect the overlays and use append instead recreating new list every +.
Set it directly to 0.
Stop this proc creating new object instance when the caller has an instance.
Check for null.
Forgot the arg.
Refactor to work with MC use_power proc.
Forgot this.
Final Final Elvisfix
Whoops
Merge pull request #1 from Heredth/newtoy

Welp
Moar constants.
We have areaMaster for this.
Merge pull request #821 from ESwordTheCat/3rvbI32a

Fix mmi removal bug.
Give a RPD, glass, floor tiles, rods to engiborgs.

Adds a rapid piping device and a stack of glass/floor tiles/rods to
engineering borgs modules.
Merge pull request #822 from Duny-/Bleeding-Edge

Gives a RPD, glass, floor tiles and rods to engiborgs.
Merge pull request #819 from Heredth/Bleeding-Edge

Bugfixes
Should fix #727 for humans and monkeys.
Should fix #702, volume pumps always outputting.
Merge pull request #810 from ESwordTheCat/7b#vbri1

Garbage collect the overlays, use append instead recreating new list and refactor alarm process a little.
Image pooling for human unconscious/oxygenloss/fire&bruteloss screen overlays.