Set default version of the protocol to 1.1

The 2.0 version is used for special types of apps, described in the
docs. The 1.1 version allows for specifying the currency of the
transaction, so that’s why I’m setting it as a default.

src/Borica/Request.php

@@ -48,7 +48,7 @@ public function __construct($terminalID, $privateKey, $privateKeyPassword = '',
      * @param string $oneTimeTicket
      * @return string
      */
-    public function register($protocolVersion = '2.0', $oneTimeTicket = null)
+    public function register($protocolVersion = '1.1', $oneTimeTicket = null)
     {
         $message = self::REGISTER_TRANSACTION;
         $message .= $this->getDate();
@@ -78,7 +78,7 @@ public function register($protocolVersion = '2.0', $oneTimeTicket = null)
      * @param string $protocolVersion
      * @return string
      */
-    public function status($protocolVersion = '2.0')
+    public function status($protocolVersion = '1.1')
     {
         $message = self::REGISTER_TRANSACTION;
         $message .= $this->getDate();
@@ -104,7 +104,7 @@ public function status($protocolVersion = '2.0')
      * @param string $protocolVersion
      * @return string
      */
-    public function registerDelayedRequest($protocolVersion = '2.0')
+    public function registerDelayedRequest($protocolVersion = '1.1')
     {
         $message = self::DELAYED_AUTHORIZATION_REQUEST;
         $message .= $this->getDate();
@@ -130,7 +130,7 @@ public function registerDelayedRequest($protocolVersion = '2.0')
      * @param string $protocolVersion
      * @return string
      */
-    public function completeDelayedRequest($protocolVersion = '2.0')
+    public function completeDelayedRequest($protocolVersion = '1.1')
     {
         $message = self::DELAYED_AUTHORIZATION_COMPLETE;
         $message .= $this->getDate();
@@ -156,7 +156,7 @@ public function completeDelayedRequest($protocolVersion = '2.0')
      * @param string $protocolVersion
      * @return string
      */
-    public function reverseDelayedRequest($protocolVersion = '2.0')
+    public function reverseDelayedRequest($protocolVersion = '1.1')
     {
         $message = self::DELAYED_AUTHORIZATION_REVERSAL;
         $message .= $this->getDate();
@@ -182,7 +182,7 @@ public function reverseDelayedRequest($protocolVersion = '2.0')
      * @param string $protocolVersion
      * @return string
      */
-    public function reverse($protocolVersion = '2.0')
+    public function reverse($protocolVersion = '1.1')
     {
         $message = self::REVERSAL;
         $message .= $this->getDate();