Update spec to v1.0.0. Tests break.
Update spec to v1.0.0. Tests break.

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