AppVeyor supports dot-file-style YAML named .appveyor.yml as is. This
helps keep the root of the repository clean(ish) and readable by having
the CI files as dot-files.
- Remove dependency on sed (sed was overkill when you can just add plain
text to the git log --format command)
- Sort resulting list of authors alphabetically (case-insensitive)
- Provide an example of how to only generate authors between versions
Mitchell Cash