Remove deprecated call in _renderTemplate call.
Remove deprecated call in _renderTemplate call.

Closes #75

zuluf/mustache.php,evdevgit/mustache.php,bobthecow/mustache.php,sophatvathana/mustache.php,thecocce/mustache.php,ericariyanto/mustache.php,irontec/mustache,BrunoDeBarros/mustache.php,cgvarela/mustache.php