Add the upcoming v0.2.0 release to the changelog

CHANGES.rst

@@ -1,7 +1,15 @@
+v0.2.0 (upcoming version)
+------
+
+- ``__eq__`` added to compare two compact tries
+- ``subtree`` added to extract a subtree from a given trie
+
+- ``values`` method fixed for empty strings
+
 v0.1.1
 ------
 
-- ``__iter__`` added
+- ``__iter__`` and ``__contains__`` added
 - ``__iadd__`` implemented, allowing you to extend a trie with `+=` and an
   iterable
 
@@ -10,7 +18,7 @@ v0.1.0
 
 - memory footprint reduced
 - ``len`` support
-- ``CTrie#height`` and ``CTrie#values`` methods added
+- ``height`` and ``values`` methods added
 
 
 v0.0.1