Added KrillStats class

Change-Id: Ib574021ce1358ff7b6ed3dba81447f2d50911b5e
diff --git a/Changes b/Changes
index 4f91121..672c91e 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.55.6 2016-06-23
+0.55.6 2016-06-25
         - [bugfix] distance with key "t" uses default foundry (diewald)
 	- [cleanup] Renamed fromJson() to fromKoral() (diewald)
 	- [cleanup] Removed deprecated methods in Krill:
@@ -11,6 +11,7 @@
 	- [feature] Added getDoc() method to KrillIndex (diewald)
         - [bugfix] Fixed UID handling (diewald)
 	- [feature] Added document method to Web-API (diewald)
+	- [feature] Added experimental KrillStats class (diewald)
 
 0.55.5 2016-05-02
 	- [performance] Changed to a dynamic window for sorting in FocusSpans (margaretha)