Log Message:
Update to 2.0.6. Add support for idea option. From Blair Sadewitz
on tech-pkg.

Noteworthy changes in version 2.0.6 (2007-08-16)
------------------------------------------------

 * GPGSM does now grok --default-key.

 * GPGCONF is now aware of --default-key and --encrypt-to.

 * GPGSM does again correctly print the serial number as well the the
   various keyids.  This was broken since 2.0.4.

 * New option --validation-model and support for the chain-model.

 * Improved Windows support.