code: def from_url(url,
               output_path,
               options=None,
               toc=None,
               cover=None,
               config=None,
               cover_first=None):
      
      rtn = IMGKit(url,
                   'url',
                   options=options,
                   toc=toc, cover=cover,
                   config=config,
                   cover_first=cover_first)
      return rtn.to_img(output_path)
docs: Convert URL/URLs to IMG file/files
  
      :param url: URL or list of URLs to be saved
      :param output_path: path to output PDF file/files. False means file will be returned as string
      :param options: (optional) dict with wkhtmltopdf global and page options, with or w/o '--'
      :param toc: (optional) dict with toc-specific wkhtmltopdf options, with or w/o '--'
      :param cover: (optional) string with url/filename with a cover html page
      :param css: style of input
      :param config: (optional) instance of imgkit.config.Config()
      :param cover_first: (optional) if True, cover always precedes TOC
      :return: True when success