* ksba.texi: Added a new function.  Markup improvements.
* cert.c (get_info_access): Fixed case of more than one
AccessDescription.
* ksba.h (ksba_cert_get_subj_key_id): New.
* cert.c (get_simple_octet_string_ext): New.
(ksba_cert_get_subj_key_id): New.
* libksba.vers: Added ksba_cert_get_subj_key_id.
* cert.c (ksba_cert_get_auth_key_id): Add support for
keyIdentifier.
* crl.c (ksba_crl_get_auth_key_id): Ditto.
* cert-basic.c (list_extensions): Print the AKI.keyIdentifier and
the subjectKeyIdentifier.
* t-crl-parser.c (one_file): Print the AKI.keyIdentifier.