Added CharactersHandler to account and altered all calls of add/remove characters to use it.

evennia/contrib/rpg/character_creator/character_creator.py

@@ -90,7 +90,7 @@ class ContribCmdCharCreate(MuxAccountCommand):
             )
             # initalize the new character to the beginning of the chargen menu
             new_character.db.chargen_step = "menunode_welcome"
-            account.add_character_to_playable_list(new_character)
+            account.characters.add(new_character)
 
         # set the menu node to start at to the character's last saved step
         startnode = new_character.db.chargen_step

evennia/contrib/rpg/character_creator/tests.py

@@ -17,7 +17,7 @@ class TestCharacterCreator(BaseEvenniaCommandTest):
         self.account.swap_typeclass(character_creator.ContribChargenAccount)
 
     def test_ooc_look(self):
-        self.account.add_character_to_playable_list(self.char1)
+        self.account.characters.add(self.char1)
         self.account.unpuppet_all()
 
         self.char1.db.chargen_step = "start"

evennia/contrib/tutorials/evadventure/chargen.py

@@ -316,7 +316,7 @@ def node_apply_character(caller, raw_string, **kwargs):
     """
     tmp_character = kwargs["tmp_character"]
     new_character = tmp_character.apply(caller)
-    caller.add_character_to_playable_list(new_character)
+    caller.characters.add(new_character)
 
     text = "Character created!"