This fix prevents a possible race condition when a task is completed within the time taken to spawn a new worker, or more specifically between the time between querying for tasks and iterating over those tasks. Without this fix a task can be completed more than once.
0.0.5
0.0.4
Workers now register themselves with a node Id representing the node they are running on which. The on-demand population control can now use the node registry to provide population control specific to each node.