---- request ----
<?xml version="1.0"?>
<methodCall>
<methodName>test.guess</methodName>
<params>
</params>
</methodCall>
---- response ----
<?xml version="1.0"?>
<methodResponse>
  <params>
    <param>
      <array>
        <data>
          <value>
            <string>You guessed</string>
          </value>
          <value>
            <int>42</int>
          </value>
        </data>
      </array>
    </param>
  </params>
</methodResponse>

##</code><code>##

my $client = Frontier::Client->new(
  'url' => 'http://www.advogato.org/XMLRPC', use_objects => 1, 
  debug => 1,);
my ($string, $int) = $client->call('test.guess') or die "$!\n";

##</code><code>##

wanted `value' or `name' tag, got `array' at line 5 column 6