add some more entries for 0.9.4

  Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4:

      o Transparent support for PKCS#8 format private keys: these are used

        by several software packages and are more secure than the standard form.

      o PKCS#5 v2.0 implementation.

        by several software packages and are more secure than the standard

        form

      o PKCS#5 v2.0 implementation

      o Password callbacks have a new void * argument for application data

      o Avoid various memory leaks

      o New pipe-like BIO that allows using the SSL library when actual I/O

        must be handled by the application (BIO pair)

  Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3:

      o Lots of enhancements and cleanups to the Configuration mechanism