CHANGELOG in prometheus_exporter-0.3.3 vs CHANGELOG in prometheus_exporter-0.3.4

@@ -1,4 +1,8 @@
+0.3.4 - 02-10-2018
+
+- Fix: custom collector via CLI was not working correctly
+
 0.3.3
 
 - Feature: Add more metrics to delayed job collector
 
 0.3.2