micdoodle8/Galacticraft — pull request #325 by radfast (2014-04-12 10:46:33+00:00)
Title: Oxygen Sealer Algorithm speedup (see issue #286)

and a small change to dungeon generation (see issue #295)

(Can do more on the oxygen sealer speedup but what is done should already make a noticeable difference. Requesting a pull now before the diff gets too large.)