Track changes.

src/changes/changes.xml

@@ -54,6 +54,9 @@ If the output is not quite correct, check for invisible trailing spaces!
     </release>
 
     <release version="4.0" date="XXXX-XX-XX" description="">
+      <action dev="erans" type="add" issue="MATH-1516">
+        Interface for ranking a list of clusters.
+      </action>
       <action dev="kinow" type="update" issue="MATH-1408">
         Do not use exceptions for control flow
       </action>