quercus assignment eval order and function var argument fixes

git-svn-id: svn://svn.caucho.com/home/svn/svnroot/resin/trunk@9930 9c94448d-38f1-0310-a231-d98308ff1ebf
update changes.xtp

git-svn-id: svn://svn.caucho.com/home/svn/svnroot/resin/trunk@9931 9c94448d-38f1-0310-a231-d98308ff1ebf