root/pypi: links for pmath

root/pypi pmath-0.3.tar.gz
root/pypi pmath-0.3.linux-x86_64.tar.gz
root/pypi pmath-0.2.tar.gz
root/pypi pmath-0.2.linux-x86_64.tar.gz
root/pypi pmath-0.1.tar.gz
root/pypi pmath-0.1.linux-x86_64.tar.gz