code: public String render(String path, GlobalScope... extraGlobalScopes) throws IOException, ParseException {
      return render(load(path), extraGlobalScopes);
    }
docs: Renders template loaded from path and returns rendered text.
  
  @param path Path to load template from
  @param extraGlobalScopes Any extra global scopes to make available
  @return Rendered text
  @throws IOException
  @throws ParseException