CHANGELOG.md in statesman-events-0.0.1 vs CHANGELOG.md in statesman-events-1.0.0

@@ -1,3 +1,7 @@
+## v1.0.0, 28 January 2020
+- raise `InvalidTransitionError` when event is not found.
+- Mark repo as unmaintained.
+
 ## v0.0.1, 5 December 2015
 - Initial release