CHANGELOG in prometheus_exporter-0.4.10 vs CHANGELOG in prometheus_exporter-0.4.11

@@ -1,4 +1,9 @@
+0.4.11 - 15-05-2019
+
+- Fix: Handle stopping nil worker_threads in Client
+- Dev: add frozen string literals
+
 0.4.10 - 29-04-2019
 
 - Fix: Custom label support for puma collector
 - Fix: Raindrops socket collector not working correctly