docs: function grab(url, content) {
    // make sure hrefs is an array even if is singleton
    var hrefsAsArray = _.isArray(content.hrefs) ? content.hrefs : [content.hrefs]
    return {
      url: url,
      content: _.omit(content, 'hrefs'),
      hrefs: hrefsAsArray,
      child: {}
    }
  }