* Add SM-state serialization mechanism (#239)
* Add support for SCRAM-SHA-512-PLUS (da12298)
* Add support for SSLKEYLOGFILE with OpenSSL (d82df12)
* Fix some issues related to Stream Management (03d4313, 4359536)
* Fix a potential segfault (9fef4b7)
* New API:
+ xmpp_conn_set_sm_callback()
+ xmpp_conn_restore_sm_state()