loongson/pypi: links for pycasper

loongson/mirror PyCasper-0.1.1.dev3.tar.gz
loongson/mirror PyCasper-0.1.1.dev3-py2.py3-none-any.whl
loongson/mirror PyCasper-0.1.1.dev2.tar.gz
loongson/mirror PyCasper-0.1.1.dev2-py2.py3-none-any.whl
loongson/mirror PyCasper-0.1.1.dev1-py2.py3-none-any.whl