code: function parseUrlParams(params) {
      let qs = '';
      let i = 0;
      each(params, (val, key) => {
          if (i > 0) {
              qs += '&amp;';
          }
          qs += key + '=' + val;
          i += 1;
      })
      return qs;
  }
docs: Parse url params
  convert an object in to a
  url query string parameters
  
  @param {object} params