Execution that provides support for starting a class with main
author: Ales Novak author: The class handles redirecting of out/in/err for all tasks in the system. author: First instance of TaskIO is created for Corona.
Tasks are supposed to obey following model: every task is a ThreadGroup
and the ThreadGroup is under another ThreadGroup - called "base".
Systems threads are not under group base.
The table keeps couples ThreadGroup:TaskIO; each task is supposed
to be encapsulate by a ThreadGroup; system's threads have special
handling @see #systemIO
Some tasks don't require io operations.