feature release, 2016-8-8
new features:
– graphic display is improved to include uncorrected results in additional panels
– graphic display is explained in help prevalenceCore
– prevalenceCore returns and prevalence saves the uncorrected prevalence lower bound as gamma0u
– utility prevalencePtoZ to convert p-value to z-value images
– Monte Carlo estimation is replaced by complete enumeration of second-level permutations if P2 == P1 ^ N