* bugfix: reporting partner exceptions
* bugfix: ensuring everyone runs center same n. times
* CLI: switching to weighted average scors
* Correcting exception reporting and more stats
  bugfix: exception text was always reported as partner exception!
  feature: We now save unweighted and weighted scores as well as the
  final-scores.
* feature: Adding error details and disabling normalization
* feature: Adding names to generated scenarios. make_multideal_scenario() now always adds a name for the scenario
* feature: Adding score normalization. run_session(), and Tournament.run() now take a normalize_scores parameter which defaults to True. If this is true, the scores of all sessions will be normalized before being saved to SesionInfo instances.
* feature: Adding JobHunt as an example scenario
* Documentation update
