loongson/pypi: links for lxml-xpath2-functions

loongson/mirror lxml-xpath2-functions-0.0.4.tar.gz
loongson/mirror lxml-xpath2-functions-0.0.3.tar.gz
loongson/mirror lxml-xpath2-functions-0.0.2.tar.gz
loongson/mirror lxml-xpath2-functions-0.0.1.tar.gz