loongson/pypi: links for py-c-xlsxwriter

loongson/mirror py_c_xlsxwriter-0.0.4.tar.gz
loongson/mirror py_c_xlsxwriter-0.0.3.tar.gz
loongson/mirror py_c_xlsxwriter-0.0.2.tar.gz
loongson/mirror py_c_xlsxwriter-0.0.1.tar.gz