FS19 - Tow Bar V1.1

A tow bar gets attached to the back of a vehicle and can be used for pulling another vehicle.

Changelog: 1.1.0.0
- added value for brakeForce
- fixed with overwritten function, the nil value for function Attachable.getCanAIImplementContinueWork
- fixed with overwritten function for Attachable.getIsImplementChainLowered
- clean incorrect game values

Authors: DD ModPassion