root/pypi: links for xregi

root/pypi xregi-0.3.4-py3-none-any.whl
root/pypi xregi-0.3.3-py3-none-any.whl
root/pypi xregi-0.3.2-py3-none-any.whl
root/pypi xregi-0.3.1-py3-none-any.whl