ADD: Midland 57ft eliptical roofed non-corridor carriages
CHANGE: Correct graphics and data for the Midland push-pull carriages (these should flank the locomotive and were based on an arc roof design)
CHANGE: Increase the comfort of the LMS non-corridor carriages
CHANGE: Deprecate/remove the old Midland eliptical roofed corridor carriages
ADD: Midland 65ft eliptical roofed dining carriage
CHANGE: Allow the MR 1833 Class to be used with the MR push-pull set