(fixes #1944) changed specification of opSecurityUser::getMember() to return always Member or opAnonymousMember object. getMemberId() too.
(fixes #1944) changed specification of opSecurityUser::getMember() to return always Member or opAnonymousMember object. getMemberId() too.

C-nakajima/OpenPNE3,isaosano/OpenPNE3,ShinichiU/OpenPNE3,C-nakajima/OpenPNE3,upsilon/travis-test,nise-nabe/ppcon-sns,tejima/OP3PKG,nishizoe/OpenPNE3,ShinichiU/OpenPNE3,ShinichiU/AuthFramework,kashiwasan/symfony-advanced,tejima/OP3PKG,kashiwasan/symfony-advanced,isaosano/OpenPNE3,C-nakajima/OpenPNE3,upsilon/travis-test,openpne/OpenPNE3,nishizoe/OpenPNE3,openpne/OpenPNE3,ShinichiU/AuthFramework,openpne/OpenPNE3,ShinichiU/OpenPNE3,openpne/OpenPNE3,isaosano/OpenPNE3,isaosano/OpenPNE3,ShinichiU/AuthFramework,nise-nabe/ppcon-sns,C-nakajima/OpenPNE3,ShinichiU/OpenPNE3