Generate: allow meta to log-fail as opposed to exception-fail if category is missing in target

Generate.py

@@ -148,7 +148,7 @@ def main(args=None, callback=ERmain):
                         if category_name is None:
                             weights_cache[path][key] = option
                         elif category_name not in weights_cache[path]:
-                            raise Exception(f"Meta: Category {category_name} is not present in {path}.")
+                            logging.warning(f"Meta: Category {category_name} is not present in {path}.")
                         else:
                             weights_cache[path][category_name][key] = option
 

host.yaml

@@ -64,7 +64,7 @@ generator:
   # general weights file, within the stated player_files_path location
   # gets used if players is higher than the amount of per-player files found to fill remaining slots
   weights_file_path: "weights.yaml"
-  # Meta file name, within the stated player_files_path location, TODO: re-implement this
+  # Meta file name, within the stated player_files_path location
   meta_file_path: "meta.yaml"
   # Create a spoiler file
   # 0 -> None