* The Helfand moments approach seems give incorrect results if the sampling time is too long. It is not dramatic, but gives increasingly incorrect results as the sampling time is increased. Thus using the Helfand moments is dangerous because the results may be wrong, but not obviously so.
2023.8.30
* A working version that has been tested somewhat. Further testing and documentation will follow
2023.5.8
* Plug-in created using the SEAMM plug-in cookiecutter.