- Added OcclusionGeometry
- Added more layers in the editor, with colour coding
- Changed a few textures, visually more appealing ones that is
- Changed and updated the preview image for Workshop thumbnails (fixed it, it was using a wrong one)

Changed the elevator shaft by adding a small amount of cover for aliens (Skulks and Lerks mostly). So they have a fighting chance, when the marine set up base at the top of the shaft.

Fixed a stuck spot in the E3 hallway next to the equipment crate

-v5

Changed the back ventilation system to have more cover for aliens, while still making it possible for marines to set up base there

-v4

Fixed the elevator stuck spot

-v3