Add copyright header
Add contact info
person-stats: merge duplicate person records
Improve output for multi-line substitutions (e.g. PostalAddress)
Various minor tweaks
Do not set DefaultAuthor record to my data
Move date computation into new function Today()
Ask for further person details, with suggestions

The suggestions are based on the person records of existing packages.
cleanup
Greatly improve PackageWizard()
Remove CreatePackage, suggest PackageWizard instead
Disable repository questions for now

Nothing there is implemented right now, so we should not
confuse the user with questions about things we don't
actually do.
Begun work on GAP kernel extension generation
Ask about authors and maintainers last
Drop .in suffix from most template files

Only retained it on PackageInfo.g.in to make sure GAP does
not accidentally think the template is a (malformed) package.
Kernel extension now works
Change Command() to execute in current dir, minor tweaks
Add remainders about some ReadLine quirks we should address