Add tests to exercise room name / timeline logic; fix some bugs as a result.

lib/utils.js

@@ -65,7 +65,7 @@ module.exports.filter = function(array, fn) {
     var results = [];
     for (var i = 0; i < array.length; i++) {
         if (fn(array[i], i, array)) {
-            results.push(results);
+            results.push(array[i]);
         }
     }
     return results;