Changes in version 1.1.0 (2020-02-08)                  

    o   class(matrix(...)) defitions in the code were redefined to make
	the package compatible for R version 4+.

    o   Some typographical errors were cleaned.

                 Changes in version 0.1.0 (2017-09-19)                  

    o   The first version of the package was published on CRAN.