code: function normalizeUrl (url) {
    if (!url || /per_page=/.test(url)) return url
    /* istanbul ignore next */
    if ((/&/.test(url) && !/&$/.test(url)) || (!/\?$/.test(url) && /\?/.test(url))) {
      return url + '&per_page=100'
    }
    return /\?$/.test(url) ? url + 'per_page=100' : url + '?per_page=100'
  }
docs: > Normalize URL query
  
  @param  {String} `url`
  @return {String}