Remove ppStmtSaveRecord which is not used even in old fuelpad
Reorginize SQL statements into implemented and nonimplemented
Add car and driver adding SQL statements and methods
Add methods addDriver() and addCar()
Add car and driver updating SQL statements
Add methods udpateDriver() and updateCar()
Move ppStmtGetKmLastYear to the ready ones
Add driver data model and expose it to qml as driverModel