Bounds check for `HeaderUsage`, redundant code removal, fix bug in writing `levels.txt` headersAdds a bounds check in HeaderUsage to avoid indexing past headerUsage, simplifies stopTimeLine by removing the redundant Timepoint() branch while still setting timepoint=0 when needed, and fixes the levels.txt header (level_id instead of fare_id). Also includes a few small cleanups/refactors.
a0d642bPatrick Brosi2mo ago