- Update to 0.7.0:
* Reply to XEP-0092 software version requests.
* Add support for PLUS variants of SCRAM authentification mechanisms
(requires go-xmpp commit 4c385a334c606e8bc387f0a3d4d84975802b3984).
* Add pinning of last used authentification mechanism if a SCRAM
mechanism was used.
* Print every stanza in a new line (requires go-xmpp commit
31c7eb6919b67b18e901dc45a8e5681040ea7f31).

- Update to 0.6.2:
* Properly close connection to server if ^C is pressed in
interactive mode.
* Replace invalid characters by UTF8 replacement char.
* Add warning that there is no Ox support for messages of type
headline.
* Suppress warnings about reading from closed connection if
go-sendxmpp closes the connection before exiting.
* Remove unnecessary newlines after stanzas.
* Fix segfault when authentication fails due to invalid username
or password.