code: def from_string(string,
                  output_path,
                  options=None,
                  toc=None,
                  cover=None,
                  css=None,
                  config=None,
                  cover_first=None):
      
      rtn = IMGKit(string, 'string', options=options, toc=toc, cover=cover, css=css,
                   config=config, cover_first=cover_first)
      return rtn.to_img(output_path)
docs: Convert given string/strings to IMG file
  
      :param string:
      :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