Allow merging multiple feeds, while removing duplicates
YaGTFS: static shapes + only load osm if needed + load static stops + allow disabling loading default services
Debrecen: Add TESCO operator to osm filter
Add bkk-ref feed, which contains reference inbound/outbound trips for each route
YaGTFS: Use YAML::Syck for loading files

(itt handles inline comments, unlike YAML.pm)