rotate stopped near 0

[pond918]

cause: pos results as 1.e-16, which makes the rotateUnits incorrect.
fix:
jquery-animate-css-rotate-scale.js line39
change from:
m = val.toString().match(/^(-?\d+(.\d+)?)(.+)?$/);
to
m = val.toString().match(/^(-?\d+(.\d*e?-?\d+)?)(.+)?$/);