Fix syntax error

Author: kikmak42

lib/net/authorize/api/contract/v1/Mapper.php

@@ -84,7 +84,7 @@ public function getClass(string $class, string $property){
 		}
 		else if(get_parent_class($class)){
             //echo "Checking parent class in YAML - ".get_parent_class($class)." -".$class." - ".$property."\n";
-			return getClass(get_parent_class($class), $property);
+			return $this->getClass(get_parent_class($class), $property);
 		}
 //		 else if ($property == "refId" || $property == "sessionToken" ){
 //		 		return 'string';

lib/net/authorize/api/controller/base/ApiOperationBase.php

@@ -117,7 +117,7 @@ public function execute($endPoint = \net\authorize\api\constants\ANetEnvironment
         //$requestArray = [lcfirst((new \ReflectionClass($this->apiRequest))->getShortName()) => $this->apiRequest];
 
         // $requestRoot = (new \net\authorize\api\contract\v1\Mapper)->getXmlName((new \ReflectionClass($this->apiRequest))->getName());
-        $requestRoot = (\net\authorize\api\contract\v1\Mapper:Instance())->getXmlName((new \ReflectionClass($this->apiRequest))->getName());
+        $requestRoot = (\net\authorize\api\contract\v1\Mapper::Instance())->getXmlName((new \ReflectionClass($this->apiRequest))->getName());
 
         $requestArray = [$requestRoot => $this->apiRequest];