small changes to logging.  Add timestamps at beginning and end of redirection.  Dump state after each pipeline step.
small changes to logging.  Add timestamps at beginning and end of redirection.  Dump state after each pipeline step.

timahutchinson/desispec,gdhungana/desispec,desihub/desispec,desihub/desispec,gdhungana/desispec,timahutchinson/desispec