loongson/pypi: links for gitwalker

loongson/mirror gitwalker-0.1.7.tar.gz
loongson/mirror gitwalker-0.1.6.tar.gz
loongson/mirror gitwalker-0.1.5.tar.gz
loongson/mirror gitwalker-0.1.1.tar.gz
loongson/mirror gitwalker-0.1.tar.gz
loongson/mirror gitwalker-0.1-py2.7.egg