Return only element name if namespace not exists
crawler_hints won't be used anymore
Implement base structures of the rss2 parser
typo
Add feed id and self link if not exists
pubDate of item should be assigned to published_at
Try entry's published_at first to fill missing entry's updated_at
crawler_hints is not used anymore
remove prints
Parse channel description
Put a link to the entry id if the entry id is None
Return None if the link has no text
path decorator can get a list as the element_name
Parse the alternate atom link
Fill all updated_at in entries and the feed