[feature/twig] Adding ! operator

PHPBB3-11598
[feature/twig] Fixing div by replacement

PHPBB3-11598
[feature/twig] Fixing define node

PHPBB3-11598
[feature/twig] Fixing include node

PHPBB3-11598
[feature/twig] Transform {L_, {LA_ to use the lang() function

PHPBB3-11598
[feature/twig] Remove the get_rootref and get_tpldata functions prev added

These are not really necessary

PHPBB3-11598