gituser/pypi: links for pypolymake

gituser/pypi pypolymake-0.1b7.tar.gz
gituser/pypi pypolymake-0.1b6.tar.gz
gituser/pypi pypolymake-0.1b5.tar.gz
gituser/pypi pypolymake-0.1b4.tar.gz
gituser/pypi pypolymake-0.1.beta3.tar.gz
gituser/pypi pypolymake-0.1.beta2.tar.gz