CHANGELOG in compo-0.1.2 vs CHANGELOG in compo-0.1.3

@@ -1,4 +1,9 @@
+0.1.3 (2013-12-28)
+  - Implement ArrayBranch and HashBranch.  These bundle ArrayComposite and
+    HashComposite up with the Movable and ParentTracker mixins, for
+    convenience.
+
 0.1.2 (2013-12-27)
   - Implement and specify #get_child.
 
 0.1.1 (2013-12-27)
   - Avoid a function name clash between #remove_parent on a child and