Bump version to dev.2021-04-25

Bump version to dev.2020-11-10

Bump version to dev.2020-02-26

Bump version to 2019-12-01

[Configuration] Bump version to 2019-07-06

[Configuration] Bump version to 2019-07-06

[Configuration] Bump version to 2019-06-08

Bump version to 2019-05-08

[Configuration] Bump version to 2019-03-17

Update contributors and bump version