Gearbox Addon v0.91 beta

This is the continuation of the mod More Realistic Gearbox Addon for LS13. In LS15 it works even without a More Realistic.
Not every tractor has a continuously variable transmission. This mod based on the configuration file zzzMrGearboxAddonConfig.xml the configured there tractors subsequently added a gear shift. Currently these tractors are already configured:

    Deutz Agro Star 6.61
        48 forward and 12 reverse gears
        6 courses
        2 powershift speeds
    Same Fortis 190
        24 forward and 24 reverse gears
        6 courses
        4 powershift speeds with automatic
        Reverse Gear
    Lindner Geotrac 94
        16 forward and 8 reverse gears
        4 courses
        2 stages with automatic load scarf (speed matching)
        2 groups + 1 reverse
    Buehrer 6135A
        15 forward and 3 reverse gears
        3 groups
        Extended Final Reduction to 42 km / h
    MAN TGS
        12 forward and 2 reverse gears
        automatic
    Case IH Quadtrac 620
        16 forward and 2 reverse gears
        powershift
        automatic
    Steyr 4115
        32 forward and reverse gears
        4 gears
        4 powershift groups
        2 groups (A and S)
        reverser

The operation is done using the following keys:
    [ and ': shift up and down
    ;: neutral on/off
    right shift plus ;: gear box on/off
    ] And #: group up/down, same with the right shift key for group 2
    > and /: manual clutch, important when starting uphill
    Spacebar: reversing gear forward / backward
    right shift plus spacebar: automatic clutch on/off

One can itself create additional configurations. Do this create in himself Modsordner the zzzMrGearboxAddonConfig.xmlan file. The mod itself is already such a file, you can well use as a template.