protected function setupSections()
	{
		if(version_compare(VERSION, '3.3', '<')) {
			if(!isset($GLOBALS['TL_CONFIG']['customSections']) || $GLOBALS['TL_CONFIG']['customSections'] == '') {
				$GLOBALS['TL_CONFIG']['customSections'] = 'bootstrap';
			}
			elseif(strpos($GLOBALS['TL_CONFIG']['customSections'], 'bootstrap') === false) {
				$GLOBALS['TL_CONFIG']['customSections'] .= ',bootstrap';
			}

			$config = \Config::getInstance();
			$config->add('$GLOBALS[\'TL_CONFIG\'][\'customSections\']', $GLOBALS['TL_CONFIG']['customSections']);
			$config->save();

		}
	}