Fix plesk#63: Add an ability to set two IPs (v4 and v6) for webspace

Author: sibprogrammer

Diff for: src/Api/Operator/Webspace.php

@@ -87,7 +87,9 @@ public function create(array $properties, array $hostingProperties = null, strin
             }
 
             if (isset($properties['ip_address'])) {
-                $infoHosting->addChild('ip_address', $properties['ip_address']);
+                foreach ((array) $properties['ip_address'] as $ipAddress) {
+                    $infoHosting->addChild('ip_address', $ipAddress);
+                }
             }
         }