Changelog:
==========
- minor fixes for use on ancient versions of perl and for building with
newer versions of openssl
- support for PSK, see SSL_psk in documentation
- internal optimzation: implement _touch_entry in session cache instead
of using del+add.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
