loongson/pypi: links for digextractionclassifier

loongson/mirror digExtractionClassifier-0.3.3.tar.gz
loongson/mirror digExtractionClassifier-0.3.2.tar.gz
loongson/mirror digExtractionClassifier-0.3.1.tar.gz
loongson/mirror digExtractionClassifier-0.3.0.tar.gz