- fixed debug message height not being set correctly
- fixed submarine list not being updated if host has enabled "play yourself"
- fixed "queue empty" error when attempting to download a sub from the server
- maximum number of iterations when carving a path for a cave
- Ruins are visible in sonar
- Fixed ruin generation algorithm occasionally creating too narrow rooms and placing corridors so that they're blocked by corners of a room
- Fix for wall textures being misaligned for map cells with no physics body