CHANGES IN VERSION 1.31.2
-------------------------

SIGNIFICANT USER-VISIBLE CHANGES

    o This package now depends on R (>= 3.5.0) because serialized objects in
  serialize/load version 3 cannot be read in older versions of R.


CHANGES IN VERSION 1.31.1
-------------------------

SIGNIFICANT USER-VISIBLE CHANGES

    o The description field of the package is more detailed.



