git-svn-id: svn://netflint.net/xmpphp@64 ef36c318-a008-4979-b6e8-6b496270793b
new Roster class handles roster and presence XMPP now uses XPath handlers exclusively git-svn-id: svn://netflint.net/xmpphp@63 ef36c318-a008-4979-b6e8-6b496270793b