* liece-commands.el (liece-command-join-channel): User

* liece-commands.el (liece-command-join-channel): User
liece-nick-get-joined-channels.

* liece-channel.el (liece-channel-set-topic): Define as function.
(liece-channel-add-mode): Ditto.
(liece-channel-remove-mode): Ditto.
(liece-channel-set-mode): Ditto.
(liece-channel-add-ban): Ditto.
(liece-channel-remove-ban): Ditto.
(liece-channel-set-ban): Ditto.
(liece-channel-add-exception): Ditto.
(liece-channel-remove-exception): Ditto.
(liece-channel-set-exception): Ditto.
(liece-channel-add-invite): Ditto.
(liece-channel-remove-invite): Ditto.
(liece-channel-set-invite): Ditto.
* liece-nick.el (liece-nick-mark-as-part): Replace
liece-nick-{mark,unmark}-as-apart.
(liece-nick-get-modes): Define as function.
(liece-nick-add-mode): Ditto.
(liece-nick-remove-mode): Ditto.
(liece-nick-set-mode): Ditto.
* liece-handle.el (liece-handle-mode-message): Follow the changes
of arglists of liece-channel-set-mode and liece-nick-set-mode.

* liece.el: Fix typo.
* liece-misc.el (liece-current-nickname): Define as function.
(liece-current-channel): Ditto.
(liece-current-channels): Ditto.
(liece-current-chat-partner): Ditto.
(liece-current-chat-partners): Ditto.