Update version information pending new changes.
Attempt to fix Todd's deferral problem.

Correct the call to _remove_task_from_deferral_object which was missing
the task parameter.
Modify the cleanup code to continue processing if there are no in
process tasks, but there are deferred tasks.
Add unit test to verify the deferral code is working.
Fix problem with pausing.

The code to read from disk was not properly handling the resume case if
another process did the resuming.