Update certifi to 2017.4.17
@@ -45,6 +45,7 @@ Release History
- Updated bundled urllib3 to v1.21.1.
- Updated bundled chardet to v3.0.2.
- Updated bundled idna to v2.5.
+- Updated bundled certifi to 2017.4.17.
2.13.0 (2017-01-24)
+++++++++++++++++++
