Renames celery.datastructures -> celery.utils.datastructures
99% coverage for celery.utils.datastructures
100% coverage for celery.events.dumper
100% coverage for celery.events
100% coverage for celery.contrib.migrate
100% coverage for celery.contrib.methods
100% coverage for celery.bin.celery
100% coverage for celery.bin.worker
100% coverage for celery.concurrency.gevent
100% coverage for celery.utils.log (97% total)
100% coverage for celery.events.state
Made AbortableTask abstract.