In this new UniverseDefintions, a member, QC500, defines the QC500 Universe. This helper can be used to add that custom universe to the user algorithm (both in C# and Python).
- ConstituentsQC500GeneratorAlgorithm:
- Change monthly flag to be consistent with Selection Model that cannot use Schedule events.
- Use a Dictionary keyed by `Symbol` instead of `string`.
- Selector functions return `Universe.Unchanged` instead of empty list;
-Refactoring and more informative logging.
- QC500UniverseSelectionModel
- SelectFine methods were performing all the logics every day and it should be only once per month
- Log and return `Universe.Unchanged` before division by zero if universe drops to zero members after filtering before selection by sector.
- Refactoring