This scrip can be used to generate the changelog text for a new
ansible-freeipa release on github.
usage: Usage: changelog [options] [<new version>]
optional arguments:
-h, --help show this help message and exit
--tag TAG git tag
If the script is used without a givn tag, it will show all the changes since
the last tag. If a tag (this can be a also a commit) is given, then all
changes since this commit are shown.