Preheat oven to 375°F. Spray or line 12 muffin cups with liners.Combine coconut flour, baking powder, and spices; stir well with a whisk.Combine sweeteners, pumpkin, cream, butter, and eggs with a mixer at medium speed until well blended.Add coconut flour mixture to wet mixture; beat at low speed just until combined.Fold in cranberries.Spoon batter into prepared cups.Bake at 375°F for 25-30 minutes or until muffins spring back when touched lightly in center.Place on a wire rack; remove muffins after 15 minutes and cool completely on rack.