* Fix bug in Beta statistics
- Beta in Report was calculated using equity points and not daily
performance points, as it's done in Backtest
- Performance points were not being divided by 100, as it's done in
StatisticsBuilder
- Benchmark points were not being converted into a percentage daily
performance of the benchmark, as it's done in StatisticsBuilder
* Improve implementation and add unit tests
* Enhance implementation and add more unit tests
* Enhance implementation
* Nit change
* Nit changes
Ricardo Andrés Marino Rojas
b64169fd20