1.4.0

• mailmap support
• updated oargv version

1.3.0

• Check if we can get the git author from environment variables.
• Pass the --pretty=medium and --date=default options.
• Upgraded to oargv@1.2.0.

1.2.0

• Removed exec-sync as dependency.
• Improved docs.

1.1.0

• Add --no-color flag to get non-colored output in git log.

1.0.0

• Initial release.