 	/// Toggle development or production on a global basis.
 	public static var development = false
 
-	/// apns-topic
+	/// Sets the apns-topic which will be used for iOS notifications.
 	public var apnsTopic: String?
 
 	var responses = [NotificationResponse]()

		self.pushIOS(client, deviceTokens: g, expiration: expiration, priority: priority, notificationJson: jsond, callback: callback)
	}
	
	/// Push multiple messages to one device.
	/// Provide the previously set configuration name, and zero or more device tokens. The same message will be sent to each device.
	/// Provide the expiration and priority as described here:
	///		https://developer.apple.com/library/mac/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/Chapters/APNsProviderAPI.html
	/// Provide a list of IOSNotificationItems.
	/// Provide a callback with which to receive any errors which may have occurred.
	/// nil is passed to the callback if the push was successful.
/*	public func pushIOS(configurationName: String, deviceTokens: [String], expiration: UInt32, priority: UInt8, notificationItems: [IOSNotificationItem], callback: (errorMessage: String?) -> ()) {
		
		do {
			let jsond = try self.itemsToPayloadString(notificationItems)
			
			NotificationPusher.getStreamIOS(configurationName) {
				n in
				
				if let net = n {
					
					let request = net.createRequest()
					request.setRequestMethod("POST")
					request.postBodyBytes = UTF8Encoding.decode(jsond)
					request.headers["content-type"] = "application/json; charset=utf-8"
					request.headers["apns-expiration"] = "\(expiration)"
					request.headers["apns-priority"] = "\(priority)"
					request.headers["apns-topic"] = "ca.treefrog.Smirkee"
					request.setRequestURI("/3/device/\(deviceToken)")
					net.sendRequest(request) {
						response, msg in
						
						NotificationPusher.releaseStreamIOS(configurationName, net: net)
						
						if let r = response {
							let code = r.getStatus().0
							if code != 200 {
								callback(errorMessage: "Response code \(code)")
							} else {
								callback(errorMessage: nil)
							}
						} else {
							callback(errorMessage: msg)
						}
					}
					
				} else {
					callback(errorMessage: "No stream")
				}
			}
			
		} catch let e {
			callback(errorMessage: "\(e)")
		}
	}
	*/
	func itemsToPayloadString(notificationItems: [IOSNotificationItem]) -> String {
		var dict = [String:Any]()
		var aps = [String:Any]()

			}
		}
	}
	
	/// Push one message to multiple devices.
	/// Provide the previously set configuration name, and zero or more device tokens. The same message will be sent to each device.
	/// Provide the expiration and priority as described here:
	///		https://developer.apple.com/library/mac/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/Chapters/APNsProviderAPI.html
