- SàT: from twisted.words.protocols.jabber.error module imported as jab_error to avoir name colision with error log method
- XEP_0100 plugin: added errback for disco info
- XEP_0077 plugin: registration callback now look for "x" element (data form: see XEP-0004), and send an error message if it can't find it.
- Wix: added fields for browsing external server gateways