loongson/pypi: links for save-ipython-variables

loongson/mirror save_ipython_variables-0.0.4.tar.gz
loongson/mirror save_ipython_variables-0.0.3.tar.gz
loongson/mirror save_ipython_variables-0.0.2.tar.gz
loongson/mirror save_ipython_variables-0.0.1.tar.gz