improved coretk gui alerts to display alert text when selected, fixed merged code for adding a check to cleanup interfaces, updated session.exceptions to use enums directly

daemon/core/api/grpc/events.py

@@ -145,7 +145,7 @@ def handle_exception_event(event):
     """
     return core_pb2.ExceptionEvent(
         node_id=event.node,
-        level=event.level,
+        level=event.level.value,
         source=event.source,
         date=event.date,
         text=event.text,