Code clean up and standardize

app/methods/membership_group_methods.py

@@ -263,7 +263,7 @@ def create_membership_group_obj(membership_group_obj_new:Membership_Group_Base)
 def update_membership_group_obj(
         membership_group_id: int|str, # This allows for updating of the id_random value.
         membership_group_obj_up: Membership_Group_Base,
-        create_missing_obj: bool = False,
+        create_sub_obj: bool = False,
         ) -> bool:
     log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
     log.debug(locals())