def url_info(url)
      response = handle_response(get("/urlinfo.json", :query => {:url => url}))
      Topsy::UrlInfo.new(response)
    end
def url_info(url)
      response = handle_response(get("/urlinfo.json", :query => {:url => url}))
      Topsy::UrlInfo.new(response)
    end
Returns info about a URL

 @param [String] url the url to look up
 @return [Topsy::UrlInfo]