CHANGES IN VERSION 0.99.22
------------------------------

  o correcting: correction of the serrf method so that it matches exactly the algorithm from Fan et al. (2017)

  o inspecting: pool dilution metrics is computed only if the feature contains at least 66% of non missing values at each dilution level (otherwise NA is returned)

CHANGES IN VERSION 0.99.20
------------------------------

  o correcting: minor parameter checks

CHANGES IN VERSION 0.99.18
------------------------------

  o accepted on Bioconductor
