fixed bug in swing?(). Now checks for base_val of 1.0 and swing of 0.0. 1.0 because swing() really returns a factor, so 11.0 is identity.
fixed bug in swing?(). Now checks for base_val of 1.0 and swing of 0.0. 1.0 because swing() really returns a factor, so 11.0 is identity.

marksweiss/aleatoric