o RooNLLVar

    - For binned likelihoods, request calculation of all cached pdf value (including those corresponding to zero-weight events)

  o RooAbsOptTestStatistic

    - In constant-term optimization request cached calculation of pdf values corresponding to zero-weight events
      whenever a binned likelihood is encountered

  o RooAbsDataStore, RooAbsData

    - Add argument to recalculateCache() and cacheArgs() to request request calculation of all cached pdf value
    (including those corresponding to zero-weight events)

  o RooCompositeDataStore, RooTreeDataStore

    - Follow interface change in RooAbsDataStore

  o RooChi2Var, RooDataWeightedAverage, RooXYChi2Var

    - Follow interface change in RooAbsData::cacheArgs()

  o RooVectorDataStore

    - Implement calculating of pdf cache for zero-weight events, selected by new interface in RooAbsDataStore
  o RooBanner

    - Increment version tag to 3.59