Fix some Bugs
1. Provide free ODBII diagnostic functions
2. Receive one vehicle release version for free
3. Support 19 maintenance services including EPB, TPMS, BMS, Brake bleed, DPF, Immo keys, Injector, SAS, Suspension, Throttle, Seats and others
4. Provide complete historical diagnostic records to quickly diagnose vehicles through historical records.
5. Get more vehicle diagnostics through In-App Purchase
6. Generate PDF maintenance reports for easy access and printing
