Correction for error in TrackCircuitCrossReference introduced in version 2204.
Correction of error in timetable processing for dispose as static.
Correction in processin timetable files to properly close files after processing.
git-svn-id: http://svn.uktrainsim.com/svn/openrails/trunk@2207 a9f3cfff-6c41-7446-b0ca-052bd761e6eb