By Chris Francescani NEW YORK (Reuters) – Fellow actors mourned James Gandolfini as a great craftsman and a warm and generous man at a his funeral on Thursday, a week after the 51-year-old star of the HBO television show "The Sopranos" died of a heart attack while visiting Rome. "Sopranos" creator David Chase and the actor's wife Deborah Lin Gandolfini were among four speakers at a packed ceremony for the actor whose performance as a cigar-chomping New Jersey mob boss Tony Soprano made him a household name. …