Experimental AWD Pack for RWD vehicles 5.0.1

Now the transfercase should appear for the Moonhawk.

Changelog:
*AWD System added to the Miramar, Moonhawk, and the Bolide;
*Modern front and rear differentials for the Bolide (requires DSE to work);
*Custom transfer cases with all options of Center diffs are now available to all vanilla AWD cars;
*Custom AWD Hi/Lo transfer cases (with range box) are now available to the Pickup, Roamer, Van and Hopper with multiple options of Low range ratios, including the Low range deletion, for your On-road builds (for this, I got inspiration and parts of...

Changes in 4.0:
*Barstow added;

Just a Hotfix for the IRS Fullsize.

Changes in 3.0:
*Burnside Special added;
*Now the mod is compatible with Fullsize IRS mod;
*The standard center diffs are now more fitting with each car (Bluebuck and Burnside use the Open Center Diff, while the 200BX and Grand Marshal use the Viscous one).

Changelog:

*200BX is now compatible;
*Reorganized the files from the mod, making the center differential common to the compatible vehicles;
*Revised the Viscous Center Differential, now with the same stats from the ETK I-Series.

I don't know if I needed @D-Troxx 's permission to make this mod compatible with his IRS mod for the Fullsize. If he review this with that permission, I'll make a hotfix making my mod compatible with his mod.