Fix in commit e11f5d3f988cbf89b40f083b618ba9f3124634f2
Bad idea.
e4437dc6e3d0a69f3d8b951ffc243983236a108e
On XMPP server side
Check this issue: https://github.com/emgee/go-xmpp/issues/6
http://wiki.xmpp.org/web/Programming_XMPP_Clients#Creating_a_new_account
Done in commit d66c78055a3385815888fa962092e3c005b20617.