Initial check-in for ER rewrite

Main.py

@@ -513,7 +513,9 @@ def copy_world(world):
             connect_portal(portal, ret, player)
     ret.sanc_portal = world.sanc_portal
 
+    from OverworldShuffle import categorize_world_regions
     for player in range(1, world.players + 1):
+        categorize_world_regions(ret, player)
         set_rules(ret, player)
 
     return ret

OverworldShuffle.py

@@ -256,6 +256,8 @@ def link_overworld(world, player):
                         logging.getLogger('').warning("Edge '%s' could not find a valid connection" % back_set[0])
     assert len(connected_edges) == len(default_connections) * 2, connected_edges
 
+    # TODO: Reshuffle some areas if impossible to reach, exception if non-dungeon ER enabled or if area is LW with no portal and flute shuffle is enabled
+
     # flute shuffle
     def connect_flutes(flute_destinations):
         for o in range(0, len(flute_destinations)):