
todo(future)
{
	further abstraction to waive the fixation on files. The workflow should be applicable also
	to all kind of data which is in a DAG. 

	New required: Build a Tree::DAG_Node on which Aline operates. The nodes could be data, files, objects, and mixes of all. 
			The Aline should decide on which nodes it operates.

	Split to

	Workflow::Aline::OnFiles

	Workflow::Aline::OnData
}
