Fix for resetting otag/ctag to initial values between successive renders of same template.
Fix for resetting otag/ctag to initial values between successive renders of same template.

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