do_look bits

I didn't find Michael's crasher, but I did find a couple of minor
problems:

knight's saddled pony wasn't found in the file lookup either though
there is an entry for pony ("tame saddled <foo>" stripped off "tame "
but not "saddled "; "saddled <foo>" would only be found of there was
a wildcard entry key of "*<foo>", like "*horse" to catch both horse
and warhorse);

"wombat" matched the bat entry rather than reporting an unknown
entity.

dat/data.base

@@ -430,6 +430,7 @@ barbed devil
 	are quite difficult to kill.
 # takes "bat or bird" when specifying 'B'
 ~combat
+~wombat
 *bat
 bat or bird
 	A bat, flitting in the darkness outside, took the wrong turn