The Jabber/XMPP Protocol Namespaces registry has been updated. Version: 0.33
Changelog: Added urn:xmpp:bob from XEP-0231, urn:xmpp:media-element from XEP-0221, and urn:xmpp:captcha from XEP-0158. (psa) URL: http://www.xmpp.org/registrar/namespaces.html
