DOC: changelog

CHANGELOG.rst

@@ -14,6 +14,21 @@ Changed
   Processing And Cleaning Kit*.
 
 
+Removed
+^^^^^^^
+
+
+* The ``ukbparse_htmlparse``, ``ukbparse_join``, and
+  ``ukbparse_compare_tables`` scripts have been removed.
+* The ``ukbparse.icd10.readICD10CodingFile`` function and
+  ``ukbparse.icd10.ICD10Hierarchy`` class have been removed (their
+  functionality was replaced by the :mod:`.hierarchy` module)
+* The :func:`.processing_functions.removeIfSparse` and
+  :func:`.processing_functions_core.removeIfSparse` functions no longer accept
+  an ``absolute`` argument.
+
+
+
 0.21.1 (Thursday 8th May 2019)
 ------------------------------