Sets the logo image for this dialog
        
        :param      logo | <QPixmap> || <str>

def setLogo( self, logo ):
        """
        Sets the logo image for this dialog
        
        :param      logo | <QPixmap> || <str>
        """
        if ( isinstance(logo, basestring) ):
            logo = QPixmap(logo)
        
        self.uiLogoLBL.setHidden(logo.isNull())
        self.uiLogoLBL.setPixmap(logo)