Log Message:
Update to 0.54

Upstream changes:
0.54     Wed Dec  5 23:21:03 CET 2012
         - Add AnyEvent::XMPP::Ext::Receipts for XEP-0184 message receipts
         - Fix error message "protocol error" when connecting without
           Net::SSLeay by depending on Net::SSLeay
         - Bugfix: don't call ->release on destroyed object

0.53     Wed Oct 10 13:05:08 CEST 2012
         - Fix send_iq_hook, send_message_hook, send_presence_hook
         - Enable create_cbs for MUC::Message as well (thanks omega)
         - switch from Digest::SHA1 to Digest::SHA which is in core
           (thanks jones)
         - Fix parser error on auth failure (thanks RHOELZ)
         - Bugfix: properly set $handled = 1 in IQ handlers