Piglet can now save its databases.  I'll work on loading them back in next, and then we'll see if she gets any better at this stuff over time.  Everything so far has been extremely limited.  I'm still waiting for that breakthrough when she starts doing interesting things.  I don't know when that will be.
I can improve the algorithms over and over and over again, but I need to have just one change that will make it all fit together.  There's something I'm not quite hitting.

Signed-off-by: Daniel Shumway <shumway.danny@gmail.com>