docs: function split(url) {
    assert.equal(typeof url, 'string', 'url-querystring: url should be a string');
  
    var res = {};
    var nw = url.split('?');
  
    res.url = nw[0];
    res.qs = nw.length == 2
      ? qs.parse(nw[1])
      : {};
  
    return res;
  }