feat/#1 - improve error logging and fix the file upload to support also the native multipart message

amqp/rabbitmq/rabbit_mq_client.py

@@ -97,7 +97,7 @@ class RabbitMQClient:
                     logging.info(" [%s] AMQ connection initialized for route: %s, listens on: %s/%s",
                                  _c_tag, route, exchange, queue_name)
                 except Exception as err:
-                    logging.error(" [E] Callback registration INCOMPLETE, %s", err)
+                    logging_error("Callback registration INCOMPLETE, %s", err)
         else:
             logging.warning(" [W] Channel is null, cannot register routes.")
 
@@ -167,7 +167,7 @@ class RabbitMQClient:
                 logging.warning("Message not sent, no route for %s/%s", message.domain, message.path)
 
         except Exception as err:
-            logging.error("Send message failed: %s", err)
+            logging_error("Send message failed: %s", err)
 
     async def request_routes(self):
         await self.router.request_routes_from_adapters()