Sends an APNS notification to one or more registration_ids.
	The registration_ids argument needs to be a list.

	Note that if set alert should always be a string. If it is not set,
	it won"t be included in the notification. You will need to pass None
	to this for silent notifications.

def apns_send_bulk_message(
	registration_ids, alert, application_id=None, certfile=None, **kwargs
):
	"""
	Sends an APNS notification to one or more registration_ids.
	The registration_ids argument needs to be a list.

	Note that if set alert should always be a string. If it is not set,
	it won"t be included in the notification. You will need to pass None
	to this for silent notifications.
	"""

	results = _apns_send(
		registration_ids, alert, batch=True, application_id=application_id,
		certfile=certfile, **kwargs
	)
	inactive_tokens = [token for token, result in results.items() if result == "Unregistered"]
	models.APNSDevice.objects.filter(registration_id__in=inactive_tokens).update(active=False)
	return results