Stored times of day as seconds since the start of the day (defined by GTFS as "noon minus twelve hours").
Fixed a bug where shape point sequence number was being recorded as its distance traveled.
Added some first thoughts on schedule management.
Simplified Shapes and added a cache loader.
Intermediate progress toward rethinking trips and schedules.
Made Routes refer directly to Agencies instead of indirectly by ID.
Added a notion of a StopPatternBuilder. Added a method to load all stop patterns.
Made Routes store their own Trips.