Use a less biometric-related name for functions (setup aliases)
Reduce package-namespace cluttering by moving elements to submodules
Improve confidence interval and add credible region analysis support, documentation, plotting support and paired system comparison. Limited testing is available for the time being
Reduce to a bare minimal the amount of stuff that needs to numba-fied. Everything else can be just proper Python code.
Pin matplotlib to 3.4.x to avoid issues with multi-page PDF output with 3.5.0
