NewRedisStore creates a new session store, powered by a Redis server @param client is the redis.Client object, configured and ready for use @param sessionDuration is how long sessions will be valid for before Redis purges them @param builder is how new session identifiers should be created.

NewRedisStore creates a new session store, powered by a Redis server @param client is the redis.Client object, configured and ready for use @param sessionDuration is how long sessions will be valid for before Redis purges them @param builder is how new session identifiers should be created.