- Lighting process now yields at 10% of a tick and defers at 80% of a
tick
- There is no longer a limit to how many sources/corners/overlays will
update in a single work run
- Source/corner/overlay totals are now simple counts instead of lists
- Lighting update stats now show updates over each of the previous 5
seconds
- Space turfs now remove their starlight when changing to a different
turf, fixing a runtime