Ignore private.lisp so we have a place to put our database password and such

Add examples.lisp and move some misc stuff in there.

Remove the unused vistigal code that was intended to map table names and such into lisp
names more methodically.  Move some misc code into examples.

Add the accessors for the remaining slots on wp-post.

Add print-methods on wp-term-relationship and wp-commentmeta.

Other misc. fixes.

Add cl-ppcre to the dependencies.