root/pypi: links for castepxbin

root/pypi castepxbin-0.3.0.tar.gz
root/pypi castepxbin-0.3.0-py3-none-any.whl
root/pypi castepxbin-0.2.0.tar.gz
root/pypi castepxbin-0.2.0-py3-none-any.whl
root/pypi castepxbin-0.1.0.tar.gz
root/pypi castepxbin-0.1.0-py3-none-any.whl