func endSession(s *sessions.Session, w http.ResponseWriter, r *http.Request) {
s.Options = &sessions.Options{MaxAge: -1}
s.Save(r, w)
}
//ExtendExpiration pushes out the expiration of the session cookie to a further time
//this is done to keep a user logged in automatically if they use the app frequently
func ExtendExpiration(session *sessions.Session, w http.ResponseWriter, r *http.Request) {
session.Options = options
session.Save(r, w)
return
}
func deleteSession(session *sessions.Session, w http.ResponseWriter, r *http.Request) {
session.Options = &sessions.Options{MaxAge: -1}
session.Save(r, w)
}