Project Arts Centre, DublinThere isn't a hint of sentimentality in Vicky Featherstone's delicately calibrated production of Samuel Beckett's monologue about mortality Making his annual tape recording on the eve of his birthday, Krapp (Stephen Rea) lingers over words, as if English is not his first language. "Spool. Spooooool," he pronounces, as he searches for reels of tape recorded in years past. Reminding us that S…