- Add "DEACT" error;
- Correct printf placeholder params for unsigned;
- Corrected delay on PUB SUB functions;
- Added publishing functions (MQTT_PubUint8, MQTT_PubUint16, MQTT_PubDouble, etc ) for numeric types:
- uint8_t;
- uint16_t;
- uint32_t;
- float;
- double;
- Added support for MQTT subscriptions.
- work is performed through the transparent mode;
- increased the buffer size to the maximum for SIM800 and now is 1460 bytes.
- Small bugfixes by code.