Fixed missing episode and season numbers when searching for episodes by date

MediaBrowser.Providers/TV/TvdbEpisodeProvider.cs

@@ -503,6 +503,48 @@ namespace MediaBrowser.Providers.TV
                                 break;
                             }
 
+                        case "EpisodeNumber":
+                            {
+                                if (!item.IndexNumber.HasValue)
+                                {
+                                    var val = reader.ReadElementContentAsString();
+
+                                    if (!string.IsNullOrWhiteSpace(val))
+                                    {
+                                        int rval;
+
+                                        // int.TryParse is local aware, so it can be probamatic, force us culture
+                                        if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
+                                        {
+                                            item.IndexNumber = rval;
+                                        }
+                                    }
+                                }
+
+                                break;
+                            }
+
+                        case "SeasonNumber":
+                            {
+                                if (!item.ParentIndexNumber.HasValue)
+                                {
+                                    var val = reader.ReadElementContentAsString();
+
+                                    if (!string.IsNullOrWhiteSpace(val))
+                                    {
+                                        int rval;
+
+                                        // int.TryParse is local aware, so it can be probamatic, force us culture
+                                        if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
+                                        {
+                                            item.ParentIndexNumber = rval;
+                                        }
+                                    }
+                                }
+
+                                break;
+                            }
+
                         case "absolute_number":
 							{
 								var val = reader.ReadElementContentAsString();