Update Register.php - returning instance after using the setter

Author: allsecure-pay

src/Transaction/Register.php

@@ -40,5 +40,6 @@ public function getTransactionIndicator() {
      */
     public function setTransactionIndicator($transactionIndicator) {
         $this->transactionIndicator = $transactionIndicator;
+		return $this;
     }
 }