Prepare SpanQueryWrapper for empty token support
diff --git a/CHANGES b/CHANGES
index 3b0f651..7cf9e58 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,7 @@
-0.45 2014-10-01
+0.45 2014-10-06
         - [bugfix] Correctly respond request in JSON results (diewald)
+        - [cleanup] Made SpanQueryWrapper an abstract class instead
+	  of an interface (diewald)
 
 0.44.1 2014-09-29
         - [cleanup] Prepare test suite for publication (diewald)