Log Message:
Changes 2.0.17:
* Allow more hash algorithms with the OpenPGP v2 card.
* The gpg-agent now tests for a new gpg-agent.conf on a HUP.
* Fixed output of "gpgconf --check-options".
* Fixed a bug where Scdaemon sends a signal to Gpg-agent running in
  non-daemon mode.
* Fixed TTY management for pinentries and session variable update
  problem.