Longer Trains 1.29 Mod

Version 2.1 for 1.29

Mod works again.

Thanks to AlexexyP for locomotive fix.

Changed SCS cargo train lenght from 20 to 40 cars.

ADDED long train with 2-3 locomotives and cars from 40 up to 60 with contrainers or trailers.

traffic_veghice_type, traffic_trailer_type, traffic_lane and traffic_rules WAS NOT USED