Changes in version 0.3-2 (2017-03-26)                  

    o   register native routines

                 Changes in version 0.3-1 (2015-07-04)                  

    o   added strict option to tsort, needed for pedigrees (package aster)

    o   also bug fix, tsort was buggy anyway, incorrectly handled cyclic graphs

                        Changes in version 0.3-0                        

    o   added tsort (topological sort)

    o   fixed LICENCE file (again as per newer CRAN instructions)

                        Changes in version 0.2-2                        

    o   fixed LICENCE file (as per then CRAN instructions)