Anything ConsideredBy: Peter Mayle Peter Mayles delicious new fictional confection is set, bien entendu, in Provence, where a suave if slightly threadbare English expat named Bennett is reaching the end of his credit. In desperation he places an ad in The International Herald Tribune: Unattached Englishman seeks interesting and unusual work. Anything considered except marriage. In no time at all Bennett is being paid handsomely to impersonate the mysterious and very