Fixed a crash with BB36000 mod

Support for March 2023 update of the game - including updated models.

- Fix - emissions are now properly applied, previously they were too high for some vehicles
– Fix - steam engines have now much better positioning on the track
– Modification - some European freight cars have gotten their axles replaced to ones that are more era
appropiate

Minor bugifx release
- 1850 european gondola now properely displays its load state
- US Challenger mods are now properely modified
- EG2 reacts to maximum loan setting
- No more unnecessary debug prints

Version 1.10
– Fix – fixed the rail slope limitation sometimes ( as in: always ) not working
– Added – support for modifying prices and maintenance costs via Advanced Options
– Added – a slider to modify the game overall balance to be more focused on either infrastructure or vehicle
running costs

- Fixed a crash with DB Twindexx Mod

– Fix – fixed Berkshire and ALCO FA to actually show in the game, restored missing materials
– Fix – fixed emissions to work as intented
– Fix – tweaked Gresley P1 to recolor better and not show the road number from Gresley A3
– Fix – tweaked european boxcar from year 1950 to better fit the game. Original model was too large.