Pagination on the list, optional auth

exam/api/Users/Users.php

@@ -3,6 +3,7 @@
 namespace Api\Users;
 
 use Khofmann\Api\Api;
+use Khofmann\Input\Input;
 use Khofmann\Models\User\User;
 use Khofmann\Response\Response;
 
@@ -10,6 +11,8 @@ class Users extends Api
 {
   public function get()
   {
-    Response::json(User::list());
+    $page = max(0, intval(Input::get("p", 0)));
+    $limit = constrain(0, 30, intval(Input::get("l", 10)));
+    Response::json(User::list($page, $limit));
   }
 }