Intermittent Long MU FREIGHT Trains 1.43

With this mod, FREIGHT trains are often long (21-50 wagons). Some are mixed freight; some are unit. Many trains are Multiple-Unit (i.e., multiple locomotives), and most have FREDs.
Update 3 April: made compatible with Promods Canada complete CPR livery completed adding FREDs to wagons renamed loco files n=99, f=50 for ease of future editing.
Credits: Eddie Yantz