Fix the time indexing for the 4D data (previously the indexing only happened if the URL changes (i.e. across the boundary between two HYCOM model runs). Also fix the date ranges for the URLs (and add a new one).
Fix the time indexing for the 4D data (previously the indexing only happened if the URL changes (i.e. across the boundary between two HYCOM model runs). Also fix the date ranges for the URLs (and add a new one).

pwcazenave/fvcom-toolbox,pwcazenave/fvcom-toolbox