Third major update!
Added 26 new Crawlspaces, and 9 new black markets.
8 normal crawlspaces, 5 black market entrances, and 10 exotic-sized crawlspaces. (Also added 3 secret crawlspaces.)
Totals are now 92 crawlspaces and 16 black markets, up from 68 and 7.
Also increased the chances of Black Market Entrances appearing, and fixed issues with some pre-existing crawlspaces.

Second major update.
26 new Crawlspaces, and 2 new black markets.
12 normal crawlspaces, 3 black market entrances, and 9 exotic-sized crawlspaces. (Also 2 secret crawlspaces.)
This update adds 2x2 large rooms, currently 5, but more will be added in the future.
Totals are now 68 crawlspaces and 7 black markets, up from 42 and 5.

Oops, turns out I uploaded the old file instead of the one that fixed the softlock room, sorry!

Fixes issue with one of the normal crawlspace rooms that made it inescapable without flight if you grabbed the collectable item in it.

Whoops, I forgot to change the new black market entrance I added, meaning it was a copy of another entrance, should be fixed now.

First major update!
12 more crawlspaces added, and 1 more Black Market added.
6 Normal crawlspaces, 1 Black Market Entrance, and 4 exotic sized crawlspaces (1 secret crawlspace added as well).
Totals are now 42 crawlspaces and 5 black markets, from 30 and 4.

Fixed an issue with a certain room where you could get stuck.