Make the main routine delegate to the method of choice for reading the data.
refactor to use modified julian date internally to avoid hald day offset complications
more time conversion routines, support for modified julian date
Add routine to get MgII index data. Currently getting data from Judith's data file via LaTiS.
Add routine to get sunspot blocking data for the main routine to use.
Currently delegates to the sunspot blocking routine to generate it.
use LaTiS on lisird-dev to get MgII index data
refactor to manage sunspot blocking data as an array of structures so we can maintain the time order
Merge branch 'master' of https://github.com/dlindhol/nrlssi