release: v0.18.0 (elixirs#535)

Release 0.17.0 (elixirs#443)

* Bumped version to 0.17.0

* Bumped version to 0.17.0

* Prepared CHANGELOG.md for release

* Replace elixir v1.13.0-rc.0 with v1.13.x

Bump version to v0.16.0

Bumped version to 0.15.0

Bumped version to v0.14.0

Bump 0.13.0

Bump 0.12.0

Bump 0.11.2

Bump 0.11.1

Bump 0.11.0