root/pypi: links for agsci-blognewsletter

root/pypi agsci.blognewsletter-0.4.tar.gz
root/pypi agsci.blognewsletter-0.3.tar.gz
root/pypi agsci.blognewsletter-0.2.tar.gz
root/pypi agsci.blognewsletter-0.1.tar.gz