getpw: Allow for recursion.
randgen: Create much stronger passwords.

I could use "string.punctuation" as well but I'm not sure if there's
pitfalls with that. Yes, there are weird applications out there.
getpw_last_changes: Do recursive globbing as well.
getpw_last_changes: Don't fail if $pwfiles not unlocked.
Merge remote-tracking branch 'sedna/master'
There's no need for a leading "_" in dresolve.
dotfilec: $privdir defaults to the current directory.