public string URLGetAuthor(string url, AlchemyAPI_BaseParams parameters)
        {
            CheckURL(url);
            parameters.setUrl(url);

            return GET("URLGetAuthor", "url", parameters);
        }
        public string HTMLGetAuthor(string html, string url, AlchemyAPI_BaseParams parameters)
        {
            CheckHTML(html, url);
            parameters.setHtml(html);
            parameters.setUrl(url);

            return POST("HTMLGetAuthor", "html", parameters);
        }
        public string HTMLGetMicroformats(string html, string url, AlchemyAPI_BaseParams parameters)
        {
            CheckHTML(html, url);
            parameters.setHtml(html);
            parameters.setUrl(url);

            return POST("HTMLGetMicroformatData", "html", parameters);
        }
        public string URLGetTextSentiment(string url, AlchemyAPI_BaseParams parameters)
        {
            CheckURL(url);
            parameters.setUrl(url);

            return GET("URLGetTextSentiment", "url", parameters);
        }
        public string URLGetMicroformats(string url, AlchemyAPI_BaseParams parameters)
        {
            CheckURL(url);
            parameters.setUrl(url);

            return GET("URLGetMicroformatData", "url", parameters);
        }