1.1.0: Added optional compatibility hack that should help with interation with other railtype NewGRFs.

1.0.4.1: Fixed order of railtypes

1.0.4: Better parameters. Incompatible with older versions.

1.0.3.5_b: Added support for PURR

R8 (1.0.3): Changed the GUI so now there is a catenary wire in the GUI for railtypes with catenary.

R7 (1.0.2.2): Fixed the new vehicle message. Tell me if I broke it. 

R6 (1.0.2.1): Fixed the 4th Rail with catenary pricing.

R5 (1.0.2): Adds 4th Rail with catenary.

R3 (1.0): First version uploaded to bananas.
          FIXES: Fourth Rail now can run all 3rd rail vehicles
                 Third Rail and Catenary only is enabled when BOTH Third Rail and Catenary are available
                 Better pricing
          ADDS: Some parameters

r1: First version with basic features
    Adds: Third Rail
          Third Rail and Catenary
          Fourth Rail
    BUG: Pricing is broken!