Change to psql and MB

I have made the following changes:


Add auto-size display onscreen to \d? commands.  Use UNION to show all
\d? results in one query. Add \d? field regex feature.  Rename MB to
MULTIBYTE.

--
Bruce Momjian                          |  830 Blythe Avenue
maillist@candle.pha.pa.us              |  Drexel Hill, Pennsylvania 19026
  +  If your life is a hard drive,     |  (610) 353-9879(w)
  +  Christ can be your backup.        |  (610) 853-3000(h)