fixed trim option and useless processing of a 'unset()' (refs #1602)
fixed trim option and useless processing of a 'unset()' (refs #1602)

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