Standard Ferret/PyFerret v7.6 datasets

This release add the discrete sampling geometry (DSG - also known as ragged array) datasets use in Ferret and PyFerret DSG examples and tutorials.

Standard Ferret/PyFerret v7.4 datasets

This release adds specialty climatological axes with seasons.

Standard Ferret datasets v7.1.0

Updates to Eritrea and mouths of rivers in the geo_borders datasets.
Add the geo_hawaii_fine dataset.

Standard Ferret datasets since Jan 2013

No changes, just updating the version number to match the current Ferret, PyFerret, and conda-forge ferret_datasets version number.