Update CHANGELOG and bump version to 0.2.0 (bambinos#54)

bump version (bambinos#50)

change version (bambinos#46)

Prepare release 0.1.2 (bambinos#43)

* add offset

* update changelog

* tiny test

* release

Bump version and update changelog.md (bambinos#37)

Prepare release, bump version to 0.1.0 (bambinos#34)

Release (bambinos#27)

* Add codecov badge to index.rst

* Prepare release