Beta 252:
-updated issue with walls disappearing when reotating mid placement with AOE
-fixed crash with placing staff zone
-added text that displays above staff when in staff room to show why they are there (Automatic rest, timed break, or manual when you place them there by hand)
-gastric flu patients use handwash
-updated debug menu
-if you can afford to build item, cost goes green (not red)
-staff label above staff is in English
-Rats only spawn in areas of tube that are connected to an entrance
-fixed bug where commuters were not drawing on lower levels if floor focus was enabled
