Release v0.19.1

Release v0.19.0

Release v0.18.1

Release v0.17.5

Include commanded#290 in CHANGELOG.

Release v0.17.4

Release v0.18.0

Release v0.17.3

Hotfix release which includes commanded#196 and commanded#239.

Remove default `error/4` callback function from process manager to si…

…lence deprecation warning

Release v0.17.1

Release v0.17.0