Release 0.9.2

• OpenSSL tls module verifies certificate by default. Set flag XMPP_CONN_FLAG_TRUST_TLS to ignore result of the verification
• Certificate hostname verification is forced for openssl-1.0.2 and newer
• OpenSSL tls module disables insecure SSLv2 SSLv3 and TLSv1
• Support of handlers with the same callback function, but different userdata
• System handlers are deleted on xmpp_conn_t reconnection. Old system handlers could cause problems
• Default timeout for xmpp_run() is increased from 1 millisecond to 1 second in order to reduce CPU consumption
• Reduced memory usage in expat module
• New functions:
  • xmpp_ctx_set_timeout()
  • xmpp_sha1_digest()