Support (but warn) that the user does not have an passwd entry or a home set in the passwd entry. Also, getpwent can fail: handle that.

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Merge branch 'homeless-users-and-nonusers' into ma
update readme

Signed-off-by: Mattias Andrée <maandree@operamail.com>