loongson/pypi: links for pyslideshow

loongson/mirror PySlideShow-0.0.6.tar.gz
loongson/mirror PySlideShow-0.0.5.tar.gz
loongson/mirror PySlideShow-0.0.4.tar.gz
loongson/mirror PySlideShow-0.0.4-py2-none-any.whl