A bug that resulted in missing match in case of a simulated period was only a subperiod
of the validation file period. The missing maching resulted in no validation when a duration
of the simulated values was expected to be integrated to match the specified duration of the
variable specified in the validation file.
The bug was in files with irregular time intervals between specified time periods in the validation file
and only when simulation started after the start date in the validation file.
Note that irregular time intervals in but forcing and validations files are simpler and also
speed up the search for correct sync between input-model-validation
New version is also updated for MSimCoup2