No identifier Ack fix + Debug Terminal injection
[Fix: 8] Handling for PINGREQ that does not have ID but requires Ack-type PINGRESP
[Feature] Adding a DebugTerminal class to the MQTT Base library.
[Fix: 8] Handling for PINGREQ that does not have ID but requires Ack-type PINGRESP
[Feature] Adding a DebugTerminal class to the MQTT Base library.