Release 0.10.0

• Coding style has been unified
• SCRAM-SHA-256 and SCRAM-SHA-512 support
• c-ares support
• LibreSSL support
• Introduced global timed handlers that fire periodically regardless of connections status, such a handler can be used to implement deferred re-connection
• examples/register implements XEP-0077
• Fixed issue with IPv6 on Windows (#153)
• Improved portability across systems such as Haiku, Windows
• New API:
  • xmpp_stanza_get_child_by_name_and_ns()
  • xmpp_conn_is_connecting()
  • xmpp_conn_is_connected()
  • xmpp_conn_is_disconnected()
  • xmpp_stanza_new_from_string()
  • xmpp_stanza_add_child_ex()
  • xmpp_stanza_get_context()
  • xmpp_stanza_reply_error()
  • xmpp_global_timed_handler_add()
  • xmpp_global_timed_handler_delete()