Lucene.Net.Search.Similarities.DFRSimilarity: Changed guard clauses to throw ArgumentNullException rather than NullReferenceException
Lucene.Net.Search.Similarities.DFRSimilarity: Changed guard clauses to throw ArgumentNullException rather than NullReferenceException

apache/lucenenet,apache/lucenenet,apache/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,apache/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,NightOwl888/lucenenet,jeme/lucenenet