Correct title in Twig

Signed-off-by: Gawain Lynch <gawain.lynch@gmail.com>
Add MIT license

Signed-off-by: Gawain Lynch <gawain.lynch@gmail.com>
PHPDoc author, copyright and license update

Signed-off-by: Gawain Lynch <gawain.lynch@gmail.com>
PSR-2 pass

Signed-off-by: Gawain Lynch <gawain.lynch@gmail.com>