CHANGELOG.md in bigquery_migration-0.2.2 vs CHANGELOG.md in bigquery_migration-0.3.0

@@ -1,4 +1,10 @@
+# 0.3.0 (2017/04/26)
+
+Enhancements:
+
+* Support more authentication methods such as oauth, compute_engine, application_default
+
 # 0.2.2 (2017/04/04)
 
 Enhancements:
 
 * Support google-api-ruby-client >= v0.11.0