Yanhua Digi3 Update To V1.8.1707.21

Digimaster III Version: 1.8.1707.21 (2017-08-02):

New add car models for odometer adjustment and airbag resetting models.
New added odometer adjustment:
1. American GM Buick Regal 24C32
2. American GM Buick LaCrosse 24C32
3. American GM Buick Verano 24C32

New added airbag resetting:
1. Luxgen 28556KM120

Digimaster III Version: 1.8.1705.20 (2017-05-27)
New added Benz anti-theft function list:
1. Write NEC ECU
2.Erase key

Bug Fixed:
Fix the communication between the host device and NEC-Key II adapter