Update CHANGELOG [ci skip]

Piotr Solnica · Piotr Solnica · commit a2dd97df9cca · 2017-05-02T12:12:04.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## v1.3.0 to-be-released
+## v1.3.0 2017-05-02
 
 ### Added
 
