Fix event handler TypeError and increase log level to INFO

src/core/SerieScanner.py

@@ -93,7 +93,9 @@ class SerieScanner:
         """
         if event_handler:
             try:
-                event_handler(data)
+                # Event handlers are stored as lists, iterate over them
+                for handler in event_handler:
+                    handler(data)
             except Exception as e:
                 logger.error("Error calling event handler: %s", e, exc_info=True)