I have tried to install gff with easy_install, but I got the following error:
$ easy_install --prefix=/home/mic/apps/pymodules -UZ https://github.com/chapmanb/bcbb/tree/master/gff
Downloading https://github.com/chapmanb/bcbb/tree/master/gff
error: Unexpected HTML page found at https://github.com/chapmanb/bcbb/tree/master/gff