| 
                     | 
    ⇢ | 
                                 
                4
             
             | 
    Vin::determineVehicleModelYear() added | 
| 
                     | 
    ⇢ | 
                                 
                4
             
             | 
    Vin::determineVehicleCountry() added | 
| 
                     | 
    ⇢ | 
                                 
                1
             
             | 
    Vin::determineVehicleRegion() added | 
| 
                     | 
    ⇢ | 
                                 
                1
             
             | 
    Vin::__toString() added | 
| 
                     | 
    ⇢ | 
                                 
                1
             
             | 
    Vin::determineVehicleManufacturer() added | 
| 
                                 20 
             | 
    ↛ | 
                     | 
    Vin::determineModelYear() removed | 
| 
                                 4 
             | 
    ↛ | 
                     | 
    Vin::determineCountry() removed | 
| 
                                 1 
             | 
    ↛ | 
                     | 
    Vin::determineManufacturer() removed | 
| 
                                 1 
             | 
    ↛ | 
                     | 
    Vin::determineRegion() removed |