Added GroupMembershipMatrix() function to construct group membership matrices for hierarchical testing algorithms.
Added a vignette to demonstrate identification through group testing.
Added a NEWS.md file to track changes to the package.
Added security to informativeArrayProb(), halving(), TOD(), Sterrett(), opChar1(), opChar2(), OTC1(), OTC2(), gtSim(), gtReg(), to ensure that probability, sensitivity, and specificity inputs are between 0 and 1 and the correct dimensions.