Replace for-loop with a call to `Array.prototype.map` in `Twig.output`
Replace for-loop with a call to `Array.prototype.map` in `Twig.output`

justjohn/twig.js,justjohn/twig.js,twigjs/twig.js,twigjs/twig.js,twigjs/twig.js,justjohn/twig.js