root/pypi: links for bytestkit

root/pypi bytestkit-0.0.6.tar.gz
root/pypi bytestkit-0.0.6-py2.py3-none-any.whl
root/pypi bytestkit-0.0.5a0.tar.gz
root/pypi bytestkit-0.0.5a0-py2.py3-none-any.whl