bugfix release, behavior change in ikiwiki_recentchanges plugin [ Antoine Beaupré ] * python 3.7 support, default on python:latest now * wayback machine API change: HEAD not supported anymore * fix strange crash in wayback plugin * comply with new feedparser deprecation warning * switch to logging.warning to comply with deprecation warning * disable cov which crashes on sqlite3.IntegrityError * explain how tests are hooked up together. * fix typo, thanks gagz * include post timestamp in ikiwiki GUIDs [ Kang ] * According to RFC5064, change header 'Archive-At' to 'Archived-At'