Guestbook added

I added a guestbook to the site. The page looks like this:

The link to the guestbook can be found in the site’s main menu or by visiting here.

Spammers, don’t even try anything because I’ll know who you are.

Other than this, there is not much going on. I could really use a donation via paypal to help out with site updates and costs, but no one is obligated to give.