Newsletter-export bundle for the Contao CMS
Originally created by John Brand (http://www.brandbrilliance.co.za).
Add "lionel/newsletter-export": "~4.0" in the composer.json file.
Add new LionelM\NewsletterExportBundle\LionelMNewsletterExportBundle(), in the app/AppKernel.php file.
Run the command php composer.phar update newsletter-export.