returns text content of HTTP GET response.

def GET(self, url):
        """returns text content of HTTP GET response."""
        r = requests.get(url)
        if self.verbose:
            sys.stdout.write("%s %s\n" % (r.status_code, r.encoding))
            sys.stdout.write(str(r.headers) + "\n")
        self.encoding = r.encoding
        return r.text