#4269 (Oct 19, 2018, 8:18:15 AM)

Started by an SCM change

• refs/remotes/origin/oi/hipster

1. six: update to 1.11.0 (commit: fbfbeaa) (details / githubweb)
2. Add zc.lockfile 1.3.0 (commit: 66f6fba) (details / githubweb)
3. Add contextlib2 0.5.5 (commit: f22a8e9) (details / githubweb)
4. Add cheroot 6.5.2 (commit: 715f4cc) (details / githubweb)