When updating, change the following files (if needed):

- Update rights.
- Update ChangeLog.
- man/create-man.sh (DATE, version)
- Generate a new manpage.
- Check for spelling errors in ChangeLog, manpage and README.
- Check final manpage with man command.
- Update README.
- Update configure.ac (VERSION)
- Test in Debian Sid.
- Release extra files with make dist.
