return this from set

lib/dao.js

@@ -208,6 +208,8 @@ module.exports = (function() {
         }
       }
     }
+
+    return this;
   }
 
   DAO.prototype.changed = function(key) {
@@ -493,7 +495,7 @@ module.exports = (function() {
   }
 
   DAO.prototype.setAttributes = function(updates) {
-    this.set(updates)
+    return this.set(updates)
   }
 
   DAO.prototype.destroy = function(options) {