Changes in version 0.5.0 (2024-03-28)                  

    o   Now uses igraph for display of models

    o   Some obsolete functions removed

                 Changes in version 0.4.6 (2023-11-29)                  

Changes

    o   A technical update to keep cran maintainers pleased.

                 Changes in version 0.4.4 (2021-04-03)                  

Changes

    o   All old c-code has been removed.

    o   Computation of various traces of products has been re-implemented in
	Rcpp (Model fitting in Rcpp may be reimplemented one day).

    o   Code has been cleaned up by commenting out unused functions.

    o   Documentation is now based entirely on roxygen