Update ChangeLog

hpath-directory/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Revision history for hpath-directory
 
+## 0.13.1 -- 2020-01-29
+
+* Split some functionality out into 'hpath-posix'
+
 ## 0.1.0.0 -- 2020-01-26
 
 * First version. Released on an unsuspecting world.