code: function createSitemap(conf) {
    return new Sitemap(conf.urls, conf.hostname, conf.cacheTime, conf.xslUrl, conf.xmlNs);
  }
docs: Shortcut for `new Sitemap (...)`.
  
  @param   {Object}        conf
  @param   {String}        conf.hostname
  @param   {String|Array}  conf.urls
  @param   {Number}        conf.cacheTime
  @param   {String}        conf.xslUrl
  @param   {String}        conf.xmlNs
  @return  {Sitemap}