loongson/pypi: links for urwid-stackedwidget

loongson/mirror urwid-stackedwidget-0.1.3.tar.gz
loongson/mirror urwid-stackedwidget-0.1.2.tar.gz
loongson/mirror urwid-stackedwidget-0.1.1.tar.gz
loongson/mirror urwid-stackedwidget-0.1.0.tar.gz