taskchain for a whole chain, and tree of request
import multiple output aggregated information for status inspection and register the statistics per proper dataset
proper handling of request of chained request names to taskchain dict and injection. consistent naming of the prepid in the reqmgr initial object
obvious bug fix
remove some unwanted commits
some further removal of commits
Merge branch 'register_multiple_output' of https://github.com/vlimant/cmsPdmV into vlimant-register_multiple_output
Merge branch 'vlimant-register_multiple_output'