TCG120-4-v1.006 (Release date 2022-03-28)
   - MQTT optimization

TCG120-4-v1.005 (Release date 2022-03-17)
   - SMS commands optimization

TCG120-4-v1.004 (Release date 2022-01-26)
   - Added posibility for Superuser rights for SMS users
   - Added posibility for activation/deactivation "Connectivity alert" with SMS to Master when Internet connection is lost

TCG120-4-v1.003 (Release date 2022-01-17)
   - Fixed bug related to current time and time zone

TCG120-4-v1.002 (Release date 2021-11-25)
   - GSM geolocation optimization

TCG120-4-v1.001 (Release date 2021-11-01)
   - Added GSM geolocation