Beta 368
-improved room editing cursor notifications
-check for immediate object access when editing rooms
-fix issue when editing rooms around a former door that was removed during room extension
-remove isolated single cell room orphans
-added ability to build 3x2 rooms
Beta 369
-fixed room edit further
Beta 370
-remove objects in impossible places post room edit
Beta 371
-Fix crash when building rooms, update single room cell purge
-cannot build plants in rooms anymore