Added SEND_AUTOREPLY - default FALSE

Please update any functions using this endpoint - the parameters are now as follows:
addRecipient($listId, $fields, $upsert=false, $autoreply=false, $createdFrom=self::CREATED_FROM_MANUAL, $lists=array()) {

<SEND_AUTOREPLY>{$sendAutoreply}</SEND_AUTOREPLY>

untested