update CHANGELOG

Author: nerdoc

CHANGELOG.md

@@ -5,9 +5,13 @@ Changelog for PYDIFACT
 - BREAKING CHANGE: Remove SegmentCollection
 - BREAKING CHANGE: Remove FileSourcableMixin
 
+[0.1.6] - 2023-04-22
+- Fix Parser drops UNA Segments while converting tokens to segments #56
+- Apply fixes for Segmentfactory and Pluginmount #54
+
 [0.1.5] - 2022-01-24
 - fix compatibility with Python <3.9
-- 
+ 
 [0.1.4] - 2021-12-14
 - fix compatibility with Python 3.10