Core: Make region.add_exits return the created Entrances

BaseClasses.py

@@ -1076,7 +1076,7 @@ def create_exit(self, name: str) -> Entrance:
         return exit_
 
     def add_exits(self, exits: Union[Iterable[str], Dict[str, Optional[str]]],
-                  rules: Dict[str, Callable[[CollectionState], bool]] = None) -> None:
+                  rules: Dict[str, Callable[[CollectionState], bool]] = None) -> List[Entrance]:
         """
         Connects current region to regions in exit dictionary. Passed region names must exist first.
 
@@ -1086,10 +1086,14 @@ def add_exits(self, exits: Union[Iterable[str], Dict[str, Optional[str]]],
         """
         if not isinstance(exits, Dict):
             exits = dict.fromkeys(exits)
-        for connecting_region, name in exits.items():
-            self.connect(self.multiworld.get_region(connecting_region, self.player),
-                         name,
-                         rules[connecting_region] if rules and connecting_region in rules else None)
+        return [
+            self.connect(
+                self.multiworld.get_region(connecting_region, self.player),
+                name,
+                rules[connecting_region] if rules and connecting_region in rules else None,
+            )
+            for connecting_region, name in exits.items()
+        ]
 
     def __repr__(self):
         return self.multiworld.get_name_string_for_object(self) if self.multiworld else f'{self.name} (Player {self.player})'