Update README.md
Update README.md
Add cython_numpy approach to README
Initial commit of mixed cython_numpy wrapper
Small note on installation and usage
Added setup.py to cython_numpy
A little test to give it a spin...
A couple of ignores for cython_numpy
Wrapped d2dtf()
Modified test to include d2dtf()
Cleaned-up build process...

…to play nicely with other approaches.
Removed README.md from cython_numpy
More ignores.
For now, test with erfa.cython_numpy