Enhancement in makeMultiField

More loose spatial consistency constrains via the spatial.tolerance argument
Minor change: default interpolation set to nearest

Formerly the default was bilinear
Dates included in PCA output

Included as the global attribute "dates_start"
Bug fix in makeMultiField
New internal utility for downscaled dates adjustment
New implementation of analog downscaling method
Bug fix

Error handling when no time zone is defined in the Dates slot of the input object
Bug fix in analogs

Handles exception when one single field (either its PCs or not) is used as predictor
Documentation update
Enhancement in makeMultiField input structure
Update in prinComp @examples
loadStationData: Change in default time zone definition

Now the default is unspecified time zone (formerly it assumed GMT)
Minor bug fix in temporal consistency check of analogs method
Major changes in ISI-MIP function
Minor changes in the bias correction functions
Bug fix in makeMultiField
Bug fix in analogs

Also non-ASCII character eliminated from @references
New miscellaneous (internal) utils added
New misc internal utilities
New tercilePlot for forecast skill visualization

A.k.a. cofinograma in honor of its inventor