root/pypi: links for wkstock

root/pypi wkstock-0.0.0.4.tar.gz
root/pypi wkstock-0.0.0.4-py3-none-any.whl
root/pypi wkstock-0.0.0.3.tar.gz
root/pypi wkstock-0.0.0.3-py3-none-any.whl