New functions for aggregation of 6h data to daily
Subroutine for XY index point selection sepparated from parent 'getLatLonDomainForecast'
Subroutine for XY coordinates retrieval sepparated from parent 'getLatLonDomainForecast'
Excluded vars from S4 removed
Inclusion of new variables and deaccumulation of radiations set to TRUE
On screen message included
Modified to account for 6h to daily mean aggregations
New variables included
Alpha S4 dataset moved to its original URL
Case-filtering reformulated
Allow temporal aggregation (daily mean from 6h)
Parts of the code moved to sub-functions

findPointXYindex
getXYcoordinatesForecast
Minor change
'verifTime' argument renamed to 'time'
Mean sea level pressure short name changed