Saves the logging settings for this widget to the inputed settings.
        
        :param      <QtCore.QSettings>

def saveSettings(self, settings):
        """
        Saves the logging settings for this widget to the inputed settings.
        
        :param      <QtCore.QSettings>
        """
        lvls = []
        for logger, level in self.loggerLevels().items():
            lvls.append('{0}:{1}'.format(logger, level))
        
        settings.setValue('format', wrapVariant(self.formatText()))
        settings.setValue('levels', ','.join(map(str, self.activeLevels())))
        settings.setValue('loggerLevels', ','.join(lvls))