Functionality improvements
requested to merge antsag/morphemic-preprocessor:slo-severity-calculator-master into morphemic-rc2.0
New message introduced to clarify why no evaluation of a particular prediction should occur. Handle the case of negative severity for prconf-delta by returning zero instead Added explanation stating he reason that a received prediction will not be considered Introduction of PrConf-delta calculation mode Using median value to output the probability both for the PrConf-delta calculation mode and the all-metrics calculation mode