Added Drest under the Rest and API section. More details on this tool can be found here: http://leedavis81.github.io/drest/

PHP Integrated query, a real Linq library for PHP.

Project website is Sylius.org. :)

I choose this name instead of just "Markdown" to make it more distinguishable.

Thanks fore mentioning it here, btw :)

On PHP.ug you can find an overview of all PHP-Usergroups known to the maintainers. It's also the source of the usergoup-list on php.net/ug.php

Added Securing PHP: Core Concepts by Chris Cornutt to the book list.

Fix typo