Added debugging output

DoorShuffle.py

@@ -1792,7 +1792,7 @@ def create_doors_for_inaccessible_region(inaccessible_region, world, player):
     for ext in region.exits:
         create_door(world, player, ext.name, region.name)
         if ext.connected_region is None:
-            print("ERROR: Exit not connected to any region: " + ext.name)
+            logging.getLogger('').error('Exit not connected to any region: %s', ext.name)
         if ext.connected_region.name.endswith(' Portal'):
             for more_exts in ext.connected_region.exits:
                 create_door(world, player, more_exts.name, ext.connected_region.name)