root/pypi: links for threatkb

root/pypi threatkb-1.0.0a2.tar.gz
root/pypi threatkb-1.0.0a2-py2.py3-none-any.whl
root/pypi threatkb-1.0.0a1.tar.gz
root/pypi threatkb-1.0.0a1-py2.py3-none-any.whl