Don't use old Syntax for fetching field content from ES

oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererIDIOM.java

@@ -116,6 +116,7 @@ public class IdentifierListDelivererIDIOM extends IdentifierListDelivererAbstrac
         i++;
         String textgridURI = OAIPMHUtilities.fieldLoader(new JSONObject(hit.getSourceAsMap()), "textgridUri").replace(".0","");
             //hit.getFields().get("textgridUri").getValue().toString().replace(".0", "");
+        System.out.println(textgridURI);
         RecordDelivererIDIOM idiomRecord = new RecordDelivererIDIOM(true, false);
         identifierList.getHeader()
             .add(idiomRecord.getRecordById(textgridURI).getRecord().getHeader());