Rename test.
Add test for stream handling.
Apply PHP 5.5.8 segfault patch.
Rename method to argument_summary()
Guard against segfaults, start on Twig support:
Try fix Twig support.
Fix template name access bug.
Switch back to Twig_Template::display instead of doDisplay, add test.
Add Smarty support and fix segfault in accessing userland arguments in PHP >= 5.5