public function clear()
	{
		$cacheDir = PATH_APP . DS . 'cache';
		$files    = array('site.css', 'site.less.cache');

		// Remove each file
		foreach ($files as $file)
		{
			if (!is_file($cacheDir . DS . $file))
			{
				$this->output->addLine($file . ' does not exist', 'warning');
				continue;
			}

			if (!Filesystem::delete($cacheDir . DS . $file))
			{
				$this->output->addLine('Unable to delete cache file: ' . $file, 'error');
			}
			else
			{
				$this->output->addLine($file . ' deleted', 'success');
			}
		}

		// success!
		$this->output->addLine('All CSS cache files removed!', 'success');
	}