- Factorize common code into functions
- Add support for XML API for user an channel
- HTML parser is kept as fallback when XML does not work
- XML API works even if IP is blocked, partially fixes#193
Before, the channel id was supposed to be a number. But Youtube changed how they store a
channel id. It's no longer a number, it's a string.
Now, user can enter a text string instead of a number.
See the example with this channel id: UC9fGq2-6FaftcegcIadLf6A
Correction de la page d'accueuil pour qu'elle soit conforme aux standards du W3C.
Correction de la regex de listage des fichiers pour qu'elle ignore les sauvegardes.
Ajout d'un nettoyeur HTML, par défaut.
