Update to version 0.21.
Changes since 0.19:
0.21 Sun Feb 15 2004 21:13:45
- Include t/format.t in the MANIFEST file, so that it is
actually included in the distribution.
0.20 Sun Feb 15 2004 15:21:40
- Finally add support for the public key format produced by
"openssl rsa -pubout".
- Add comment in readme about locating kerberos files on redhat systems