Preheat oven to 350°.
Lightly spoon flour into dry measuring cups; level with a knife. Combine flour and next 7 ingredients (through mace) in a large bowl; make a well in center of mixture.
Combine sugars and eggs in a medium bowl, stirring with a whisk. Add pumpkin, oil, and vanilla; stir well. Add raisins and nuts; add to flour mixture, stirring just until moist. Spoon batter into a 9 x 5-inch loaf pan coated with cooking spray. Bake at 350° for 50 minutes or until a wooden pick inserted in center comes out clean. Cool 10 minutes in pan on a wire rack, and remove from pan. Cool completely on wire rack.