root/pypi: links for hexdump

root/pypi hexdump-3.3.zip
root/pypi hexdump-3.2.zip
root/pypi hexdump-3.1.zip
root/pypi hexdump-3.0.zip
root/pypi hexdump-2.0.zip
root/pypi hexdump-1.0.zip
root/pypi hexdump-0.5.tar.gz
root/pypi hexdump-0.4.tar.gz
root/pypi hexdump-0.3.zip