Fired when a redirection is received from the server.
The 'callback' is called when the 'Redirect' event is emited.
The argument 'e' has the following properties:
This event is where the client can decide whether to continue with the redirection process or not. The Accept parameter is always true by default, but if you do not want to follow the redirection, Accept may be set to false, in which case the class fails with an error. Location is the location to which the client is being redirected. Further control over redirection is provided in the FollowRedirects property.