Returns the settings associated with this application per user.
        
        :return     <QtCore.QSettings>

def userSettings(self):
        """
        Returns the settings associated with this application per user.
        
        :return     <QtCore.QSettings>
        """
        if not self._userSettings:
            name = self.applicationName()
            if not self.isCompiled():
                name + '.dev'
            
            self._userSettings = XSettings(XSettings.YamlFormat,
                                           XSettings.UserScope,
                                           self.organizationName(),
                                           name)

        return self._userSettings