Merge pull request #206 from biscuit-auth/update-changelog

Update changelog with not-yet-released changes

biscuit-auth/CHANGELOG.md

@@ -1,5 +1,9 @@
 # not released
 
+- fix: typo in documentation (#190) (Rémi Duraffort)
+- fix: include all authorizer facts and rules when using `Display` (#195) (Clément Delafargue)
+- Add optional support for PEM/DER parsing (#204) (Baran Yildirim)
+
 # `4.0.0`
 
 - macros for individual statements: `fact!`, `check!`, `policy!` (#175, #176) (Clément Delafargue)