Index: api.py
===================================================================
--- api.py	(revision 4001)
+++ api.py	(working copy)
@@ -142,6 +142,10 @@
             field = {'name': name, 'type': 'text', 'label': name.title()}
             fields.append(field)
 
+        # Timestamp fields
+        fields.append( {'name': 'time', 'type': 'text', 'label': 'Created'} )
+        fields.append( {'name': 'changetime', 'type': 'text', 'label': 'Modified'} )               
+
         for field in self.get_custom_fields():
             if field['name'] in [f['name'] for f in fields]:
                 self.log.warning('Duplicate field name "%s" (ignoring)',