Version 0.5.0 date: 2024-03-27
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* Now uses igraph for display of models
* Some obsolete functions removed

Version 0.4.6 date: 2023-11-29
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Changes:

* A technical update to keep cran maintainers pleased.



Version 0.4.4 date: 2021-03-30
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Changes:

* All old c-code has been removed.

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

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

* Documentation is now based entirely on roxygen