Fixing crash and bug

app/src/main/java/net/pokeranalytics/android/model/realm/Session.kt

@@ -800,7 +800,9 @@ open class Session : RealmObject(), Savable, Editable, StaticRowRepresentableDat
 						game = null
 					}
 				}
-				SessionRow.INITIAL_BUY_IN -> tournamentEntryFee = if (value == null) null else (value as String).toDouble()
+				SessionRow.INITIAL_BUY_IN -> {
+					this.tournamentEntryFee = (value as Double?)
+				}
 				SessionRow.LOCATION -> location = value as Location?
 				SessionRow.PLAYERS -> {
 					if (value is Double) {
@@ -829,9 +831,14 @@ open class Session : RealmObject(), Savable, Editable, StaticRowRepresentableDat
 				}
 				SessionRow.TOURNAMENT_NAME -> tournamentName = value as TournamentName?
 				SessionRow.TOURNAMENT_TYPE -> tournamentType = value as Int?
-				SessionRow.TOURNAMENT_FEATURE -> value?.let {
+				SessionRow.TOURNAMENT_FEATURE -> {
+
+					value?.let {
 						tournamentFeatures = RealmList()
 						tournamentFeatures.addAll((it as ArrayList<TournamentFeature>))
+					} ?: run {
+						tournamentFeatures.removeAll(this.tournamentFeatures)
+					}
 				}
 			}
 		}