justjohn/twig.js — pull request #86 by m-abs (2013-04-29 19:58:11+00:00)
Title: ADDRESSES #82: merge-filter, keep the keys in the right order.

(Sorry the commit has the wrong issue number)

I'm not sure why unshift was used on the _keys-array in the merge-filter.
But it results in the output in merge|join with Twig.js to differ for that from Twig.php.