- PluggableIndexes interface: + indexSize()

- browser for stored values for all UnIndex derived indexes

ZCTextIndex.py

@@ -217,6 +217,10 @@ def numObjects(self):
         """Return number of unique words in the index"""
         return self.index.length()
 
+    def indexSize(self):
+        """Return the number of indexes objects """
+        return self.index.document_count()
+
     def clear(self):
         """reinitialize the index (but not the lexicon)"""
         try: