Also return list of primary keys instead of a single unicode CSV value from
LDAPDelete-based commands.
This introduces a new capability 'primary_key_types' for backward
compatibility with old clients.
Reviewed-By: Tomas Babej <tbabej@redhat.com>
Since realmdomains is only one entry, _show with --all will return
the ACI on it. Add it to expected output.
Reviewed-By: Martin Kosek <mkosek@redhat.com>