root/pypi: links for polarbird

root/pypi PolarBird-0.0.5.tar.gz
root/pypi PolarBird-0.0.4.tar.gz
root/pypi PolarBird-alpha-0.0.3.tar.gz
root/pypi PolarBird-0.0.2.tar.gz
root/pypi PolarBird-0.0.1.tar.gz