Links for backoff

backoff-1.0.1.tar.gz
backoff-1.0.2.tar.gz
backoff-1.0.3.tar.gz
backoff-1.0.4.tar.gz
backoff-1.0.5.tar.gz
backoff-1.0.6.tar.gz
backoff-1.0.7.tar.gz
backoff-1.0.tar.gz
backoff-1.1.0.tar.gz