Wraps GitHub Organization API.
Additional APIs:
$issues = $client->api('organizations')->issues('KnpLabs', 'php-github-api', array('state' => 'open'));
You can specify the page number:
$issues = $client->api('organizations')->issues('KnpLabs', 'php-github-api', array('state' => 'open'), 2);
Returns an array of issues.
To be written...