Andrew Ardill b93f044983 add isQueued() to allow plugins to know a task is still in the queue.
Currently, there is no way to know if a task is still being handled by
the scheduler. This method, along with isCurrentlyRunning() allows a
plugin author to determine if a task is waiting to be executed, being
executed, or neither.
2011-02-21 12:33:40 +11:00
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