root/pypi: links for sparrow

root/pypi sparrow-1.0b4.tar.gz
root/pypi sparrow-1.0b4-py2.5.egg
root/pypi sparrow-1.0b3.tar.gz
root/pypi sparrow-1.0b3-py2.5.egg
root/pypi sparrow-1.0b2.tar.gz
root/pypi sparrow-1.0b2-py2.5.egg
root/pypi sparrow-1.0b1.tar.gz
root/pypi sparrow-1.0b1-py2.5.egg