dtype setstate working to the point of correctly decoding state info for three dtypes.  Now just need to force it into the core.
dtype setstate working to the point of correctly decoding state info
for three dtypes.  Now just need to force it into the core.

teoliphant/numpy-refactor,teoliphant/numpy-refactor,teoliphant/numpy-refactor,teoliphant/numpy-refactor,teoliphant/numpy-refactor