The Staten Island Ninja Burglar's 19th robbery (and first of 2008) last week turns out to have been his biggest yet. The Advance reports that the initial $20,000 worth of jewelry nabbed from a mansion on Melhorne Road is now more like $225,000 worth: "Tiffany diamond earrings. A 1 1/2 carat diamond ring. Several 22 karat gold necklaces. A gold watch lined with diamonds." Ninja likes bling! The thief, who has taken jewelry from other......