DOC: changelog

CHANGELOG.rst

@@ -28,6 +28,12 @@ Deprecated
   ``ukbparse_compare_tables`` commands.
 
 
+Removed
+^^^^^^^
+
+
+* The ``--icd10_file`` command-line option has been removed.
+
 
 0.15.1 (Thursday 21st March 2019)
 ---------------------------------
@@ -53,6 +59,8 @@ Added
   leaf values with parent values.
 * New :mod:`.hierarchy` module which contains helper functions and data
   structures for working with hierarchical variables.
+* Definitions for all hierarchical UK Biobank variables are located in the
+  ``ukbparse/data/hierarchy/`` directory.
 
 
 Deprecated