2.55.0
- Added support for oiClass, Le Quy Don Online Judge, VNOI Online Judge, and NBUT Online Judge
- Added support for the Challenge mode on Kattis
- Fixed the Timus Online Judge parser to work with the acm-judge.urfu.ru domain
- Fixed the Toph parser (thanks @touhidurrr)
- Fixed the AlgoZenith parser
- Fixed the Virtual Judge contest parser