Changed dollar sign to a full word
Changed dollar sign to a full word

Related to: https://github.com/bobthecow/mustache.php/issues/241
thecocce/mustache.php,evdevgit/mustache.php,irontec/mustache,zuluf/mustache.php,cgvarela/mustache.php,BrunoDeBarros/mustache.php,bobthecow/mustache.php,ericariyanto/mustache.php,sophatvathana/mustache.php