Consider adding purge method. #8
Description
Consider adding purge method to purge pull zones, callable like so:
var zoneid = 12345;
vail files = [ '/foo.css', '/bar.css' ];
maxcdn.purge(zoneid);
maxcdn.purge(zoneid, files);
maxcdn.purge(zoneid, files, function callback(err, res) {
// ... callback code ..
});