root/pypi: links for slipcore

root/pypi slipcore-3.0.1.tar.gz
root/pypi slipcore-3.0.1-py3-none-any.whl
root/pypi slipcore-3.0.0.tar.gz
root/pypi slipcore-3.0.0-py3-none-any.whl
root/pypi slipcore-2.4.0.tar.gz
root/pypi slipcore-2.4.0-py3-none-any.whl