Update version and changelog.

Bump version to 2.1.0.

Bump release version.

Version 2.0.6.

Version 2.0.5.

Prepare 2.0.4 release.

Prepare 2.0.3 release.

Update version to 2.0.2. (#73)

Bump version to 2.0.1.

chore(release): 2.0.0