avoid 405 not allowed error
Version bump
Don't have to do clean_html() twice

See also http://git.io/7rWU9w#commitcomment-4788496
Cache entry list using Last-Modified header
Fix inverted comparison
Use link element only with rel="alternate" for the permalink #34
Sort permalinks by mimetype and return the first permalink #34
Use len(MIMETYPES) instead of the magic number 100
Appropriate function name
Merge branch '0.1-maintenance'
Merge branch 'master' of github.com:viobo/web
Use LinkList.permalink if libearth>=0.2.0. Fix #34