Add 4.3.0 version header with release date

jonorossi · web-flow · commit 38acf786cc72 · 2018-06-07T01:02:57.000+10:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Castle Core Changelog
 
-## Unreleased
+## 4.3.0 (2018-06-07)
 
 Enhancements:
 - Added .NET Standard/.NET Core support for NLog (@snakefoot, #200)
