Fixed missing return causing no saves.

src/fetch/content.js

@@ -35,7 +35,7 @@ module.exports = function(posts) {
                     return fetchItem(source, 0, post);
                 })).then(streams => {
                     if(streams.filter(stream => stream).length > 0) {
-                        Object.assign({}, item, {streams})
+                        return Object.assign({}, item, {streams})
                     }
 
                     return null;