root/pypi: links for ystools

root/pypi ystools-0.1.2.tar.gz
root/pypi ystools-0.1.1.tar.gz
root/pypi ystools-0.1.0.tar.gz
root/pypi ystools-0.0.9.tar.gz
root/pypi ystools-0.0.8.tar.gz