title: Has DriveApp folder.getUrl() changed or broken?
body: <p>The following function returns null values for url
  function test() {</p>
  
  <pre><code>    var folderiter = DriveApp.getFolders();
            while (folderiter.hasNext()) {
            var  folder = folderiter.next();
            Logger.log(folder.getName()+" url:"+folder.getUrl())
  
  
    }
  </code></pre>
  
  <p>}</p>