fix(server): Don't mute exceptions

Fixes: #97

Signed-off-by: Ernesto Puerta <37327689+epuertat@users.noreply.github.com>

control/server.py

@@ -83,7 +83,7 @@ def __exit__(self, exc_type, exc_value, traceback):
             self.server.stop(None)
 
         self.logger.info("Exiting the gateway process.")
-        return True
+        return False
 
     def serve(self):
         """Starts gateway server."""