Enhance CHANGELOG

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

CHANGELOG.rst

@@ -1,8 +1,15 @@
 Changelog
 =========
 
-0.9.0 (2020-04-06)
+0.9.0 (2020-05-21)
 ------------------
 
 - Make PackageURL hashable.
 - Add cargo type or url2purl
+- Increase the size of the Django model contrib version to 100 chars.
+- Remove Python 3 idioms (f strings)
+
+0.8.7 (2019-08-15)
+------------------
+
+- Add max length validation to the Django model contrib.