root/pypi: links for bitflags

root/pypi bitflags-1.0.6.tar.gz
root/pypi bitflags-1.0.5.tar.gz
root/pypi bitflags-1.0.4.tar.gz
root/pypi bitflags-1.0.3.tar.gz
root/pypi bitflags-1.0.2.tar.gz
root/pypi bitflags-1.0.1.tar.gz
root/pypi bitflags-1.0.0.tar.gz
root/pypi bitflags-0.1.0.tar.gz