Place The Water And Raisins In A Small Bowl; Let Stand For 5 Minutes. Meanwhile, In A Large Bowl, Combine The Yogurt, Ginger, Allspice And Cardamom. Drain Raisins; Stir Into Yogurt Mixture. Cover And Refrigerate For At Least 1 Hour. Toss Bananas In Lemon Juice. Alternately Thread Fruit On Wooden Skewers Or Place In A Serving Bowl. Serve With Yogurt Sauce.