Default behavior:
- RSS/Atom si pas de plugin interceptant le contenu

Plugins:

File mirror:
- copies the files (xhtml, images, medias) from designated feed items

Twitter plugin:
- http://api.twitter.com/1/statuses/user_timeline.xml?screen_name=bohwaz&count=200
- cf. http://dev.twitter.com/doc/get/statuses/user_timeline
- ignore RT: preg_match(/^RT\s+/, trim($text))