loongson/pypi: links for git-edit-index

loongson/mirror git-edit-index-0.7.tar.gz
loongson/mirror git-edit-index-0.6.tar.gz
loongson/mirror git-edit-index-0.5.2.tar.gz
loongson/mirror git-edit-index-0.5.1.tar.gz
loongson/mirror git-edit-index-0.5.tar.gz
loongson/mirror git-edit-index-0.4.tar.gz