loongson/pypi: links for python-pathfinder-tools

loongson/mirror python-pathfinder-tools-0.4.2.tar.gz
loongson/mirror python-pathfinder-tools-0.4.1.tar.gz
loongson/mirror python-pathfinder-tools-0.4.tar.gz
loongson/mirror python-pathfinder-tools-0.3.tar.gz
loongson/mirror python-pathfinder-tools-0.2.tar.gz