Updated for RimWorld 1.5
Note for saves of 1.4 to 1.5, while there are no red errors, previously built doors will be destroyed upon loading the save. Any 1.4 DoorsExpanded doors will need to be rebuilt in 1.5.
- Rebased the code to extend from the new Building_MultiTileDoor class in RimWorld 1.5
- Removed a large amount of code and patches related to spawning invisible doors and the previously utilized Building_DoorRegionHandler