Release v0.4.0 (#1361)

* Release v0.4.0

* Missing change track

Release v0.3.6 (#1172)

Release v0.3.5 (#1166)

release v0.3.3 (#1116)

Release v0.3.2 (#1034)

Release v0.3.1 (#1001)

Release v0.3.0 (#912)

Release v0.2.2 (#872)

Release v0.2.1 (#835)

v0.2.0 (#700)

* v0.2.0

* Update 0.2.0.json

* Update CHANGELOG.md