- s/xml()/to_xml()/ for interface consistence. to_xml() fixed to match docstring.
- s/xml()/to_xml()/ for interface consistence. to_xml() fixed to match docstring.

Jajcus/pyxmpp,Jajcus/pyxmpp2,Jajcus/pyxmpp,Jajcus/pyxmpp2,Jajcus/pyxmpp