BUGS:

* SSL certificate verification does not work with gnutls

* Renaming a MUC room should update the bookmark, not add a roster entry

TODO:

* Improve the completion system

* Connect hook

* Macros

* Use new Entity Time specs (XEP-0202) if possible in

 /request time.

* New option to display only username in the roster when the name hasn't been

  set.

* Remember group state (folded/unfolded) (using private storage for example)

* Enable /roster search for offline (hidden) buddies (hidden groups, etc.)

* Show number of online contacts in folded groups

* Publish personal information

* MUC: advanced settings for room creation

* MUC: display roles of room members

* "Offline roster" (when disconnected)

* Maybe cache iq:version and show version in /info, if available

* Sort roster by status

* 2-levels roster display (jids, resources)

* XEP-0186: Invisible

* "Ignore list" (privacy lists)

  See XEP-0191: Simple Communications Blocking

* Use DNS _xmpp-client._tcp service

* Mouse support?

* Human-readable key binding config?

* File transfer? :)

* Commands:

  - /roster enable|disable xml

  - /highlight nick

  - /info [jid]

    (request info to the server if the buddy is not in the roster)

  - /server register|unregister

  - /search <jid>|name

    (server search)

  - Per room settings?

    /room setopt [+|-]autowhois ?

    /room setopt [+|-]'flag_joins' ?

  - A command (display?) to display only a few states in the roster

    . /roster display of      Display avail/ffc people

    . /roster display -       Display nobody (but incoming messages)

    . /roster display ofdna   == hide_offline

    . /roster display ofdna_  == default behaviour

    (Or roster mask)