root/pypi: links for libprime

root/pypi libprime-0.0.1b3.tar.gz
root/pypi libprime-0.0.1b3-py2.py3-none-any.whl
root/pypi libprime-0.0.1b2.tar.gz
root/pypi libprime-0.0.1b1.tar.gz