vgdev/stable: links for useful-blockchain

root/pypi useful_blockchain-0.1.1.tar.gz
root/pypi useful_blockchain-0.1.1-py3-none-any.whl
root/pypi useful_blockchain-0.1.0.tar.gz
root/pypi useful_blockchain-0.1.0-py3-none-any.whl
root/pypi useful_blockchain-0.0.1.tar.gz
root/pypi useful_blockchain-0.0.1-py3-none-any.whl