Do not load settings which are not active (module not loaded)

Restart the bot, on heavy DB errors, with an 30 seconds delay (like: all connections terminated by DB, table_definition_cache exhausted)
Fix for channel prefixing (org <-> priv)

core/db.py

@@ -76,6 +76,14 @@ class DB:
                     except Exception as e:
                         raise SqlException(f"SQL Error: '{str(e)}' for '{sql}' "
                                            f"[{', '.join(map(lambda x: str(x), params))}]") from e
+                    except mariadb.OperationalError as e:
+                        self.logger.error("Please use 'FLUSH TABLES;' inside of the DB, and consider upping the 'table_definition_cache' value of the Database Server.", e)
+                        time.sleep(30)
+                        exit(-3)
+                    except mariadb.PoolError as e:
+                        self.logger.error("No Connections available for the Connection Pool. Restarting in 30 seconds...", e)
+                        time.sleep(30)
+                        exit(-2)
                     elapsed = time.time() - start_time
                     result = callback(cur)
             if elapsed > 5: