Here is a list of all files with brief descriptions:

Array.nut
Atlas.nut
Constants.nut
Dominion.Roads.nut
Extras.nut
Industry.nut
Lakes.nut
library.nut
Line.Walker.nut
Log.nut
main.nut
Marine.nut
Pathfinder.Road.nut
Pathfinder.Ship.nut
Spiral.Walker.nut
Station.nut
Waterbody.Check.nut