loongson/pypi: links for bibtex-file-comparison-and-update

loongson/mirror Bibtex_File_Comparison_and_Update-1.4.tar.gz
loongson/mirror Bibtex_File_Comparison_and_Update-1.2.tar.gz
loongson/mirror Bibtex_File_Comparison_and_Update-1.1.tar.gz
loongson/mirror Bibtex_File_Comparison_and_Update-1.0.tar.gz