Fix for issue #31

Author: maria-simon

lib/apicontracts.js

@@ -9,8 +9,11 @@ class ANetApiRequest {
 		logger.debug('Enter ANetApiRequest constructor');
 		if(arguments.length == 1) {
 			if(('merchantAuthentication' in obj) && (obj.merchantAuthentication != null)) { this.setMerchantAuthentication(new MerchantAuthenticationType(obj.merchantAuthentication)); }
+			else { this.setMerchantAuthentication(null); }
 			if(('clientId' in obj) && (obj.clientId != null)) { this.setClientId(obj.clientId); }
+			else { this.setClientId(null); }
 			if(('refId' in obj) && (obj.refId != null)) { this.setRefId(obj.refId); }
+			else { this.setRefId(null); }
 		}
 		else {
 			this.setMerchantAuthentication(null);