loongson/pypi: links for pyshaders

loongson/mirror pyshaders-1.4.1.tar.gz
loongson/mirror pyshaders-1.4.0.tar.gz
loongson/mirror pyshaders-1.3.0.zip
loongson/mirror pyshaders-1.2.0.zip
loongson/mirror pyshaders-1.1.0.zip