Soak raisins in boiled water until they are plumped. Drain & dry with paper towels. Combine spinach, scallions, orange, walnuts & raisins in a large salad bowl. Whisk together the olive oil, vinegar, sugar, cumin, curry powder, chutney (see directions below), salt & pepper. Pour dressing over the salad & toss gently to coat. Serve immediately surrounded by warm pita halves. CHUTNEY: Combine all ingredients in a blender. Process until smooth. Add a littel water if necessary to make a smooth paste. Chill in the refrigerator. Keeps in the fridge for 1 week. Makes 1 cup.