Bump version to 3.7.3. Update version history.

Correct a typo in a comment.

Bump version to 3.7.1. Update version history.

Bump version to 3.7. Update version history.

Fix RST formatting in CLI readme.

Bump version to 3.5.

Bump versions to 3.4.1, and update version histories.

Bring FathomFox version history up to date.

Bump version to 3.3.

Bump version to 3.2.1 and update version history.