standard intermediate-solution simplifying-assumption algorithm
enhanced necessity analysis and supersets/subsets
contradictory simplifying assumptions
solution-specific unique coverage
calibration diagnostics
XY plots
extend the R-QCA golden parity suite (calibration, truth tables, fit measures
and conservative/parsimonious solutions are already covered as of 0.1;
remaining: intermediate solutions, necessity supersets, multi-outcome models)
optional R-compatible calibration snapping, so extreme memberships can be
reported exactly as R does when replicating an existing analysis