allow cryptohash-0.10

(cherry picked from commit 40eddeccb65db17bcaf864d02e6477cc9e0142a2)
travis: turn off email notification

(cherry picked from commit ae7dc5f3f0e7705cb20a84c37ae03799a5def099)
Bump version to 0.4.0.2
Release notes for 0.4.0.2

(cherry picked from commit ec3ca0a9510264545deb9aff15f7bb1e8fcceb93)