Contracts can be easily added and removed.
The vehicles for the missions have been adjusted, especially for large field missions.

There are 3 new options:
- Toggle visibility of the Add and Remove Contracts buttons
- Enable or disable borrowing equipment for missions
- Maximum number of missions per farm

Changelog 1.0.0.3
Adjusted Nexat mission vehicles.

Changelog 1.0.0.2
Added Nexat as mission vehicles.

Changelog 1.0.0.1
Error saving server settings fixed.