code: function stringify(arr) {
          var f = '';
          for (var i = 0; i < arr.length; i++) {
              f += 'files[' + i + ']=' + querystring.escape(arr[i])
              if (i !== arr.length-1) f += '&';
          }
          return f;
      }
docs: *
  This is a workaround for OAuth not supporting sending
  data (like a post) through the delete method, and not
  querystring.stringify not supporting using index based
  naming of params.
  
  Delete wants "files[0]=foo.css&files[1]=bar.css"
  *