Introduced in Wrapper version 3.4.0 became able to launch
and manage child processes in a memory efficient way.
From the moment a child process has been requested for creation
until the child process or the parent process has exited,
the Wrapper will keep track of it.
Depending on how this property has been set,
the Wrapper will output informations of the different life cycle states
the child process has entered/left or communication the Wrapper made to the child process directly.
The default value is "DEBUG".
This means that child output will only be displayed
when the general Wrapper loglevel is set to "DEBUG".