Task

kill(exception)

Kills the task with exception
name()

Returns the name of the task
setName(name)

Sets the name of the task as name
monitor(chan)

When the task is completed or killed it sends the task to the channel chan.
link(task2)

Links the task to task2. If task2 is killed,it is killed and when it is killed, task2 is killed.
status()

Returns the status of the task (@running, @finished or @killed)
getUncaughtException()

Returns the uncaught exception that killed the task or null if there is no uncaught exception