PubSubHubbub and CDATA support

PubSubHubbub

Now PubSubHubbub is available from this version. About PubSubHubbub, see PubSubHubbub - Wikipedia, the free encyclopedia.

$channel = new Channel();
$channel->pubsubhubbub('http://example.com/feed.xml', 'http://pubsubhubbub.appspot.com');

CDATA title and description #16

Now you can specify CDATA encoding on item's <title> and <description>.

$item = new Item();
$item->preferCdata(true);