Added note about dropping PHP 5.4 (#61)

Nyholm · dbu · commit e11cbc76088b · 2016-06-28T08:23:12.000+02:00
Note in changelog about dropping PHP 5.4
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## 0.9.1 - 2016-06-28
+
+### Changed
+
+- Dropping PHP 5.4 support because we use the ::class constant. 
 
 ## 0.9.0 - 2016-06-25
 
