loongson/pypi: links for web-to-struct

loongson/mirror web-to-struct-1.0.4.tar.gz
loongson/mirror web-to-struct-1.0.3.tar.gz
loongson/mirror web-to-struct-1.0.2.tar.gz
loongson/mirror web-to-struct-1.0.1.tar.gz
loongson/mirror web-to-struct-1.0.tar.gz