Polishing.

Add author tags. Align Lettuce BZPOPMIN/MAX tests. Increase timeout to 10ms as Redis blocks indefinitely if the timeout is less than 0.01.

See #2324

src/main/java/org/springframework/data/redis/connection/jedis/JedisClusterZSetCommands.java

@@ -48,6 +48,7 @@ import org.springframework.util.Assert;
  * @author Mark Paluch
  * @author Clement Ong
  * @author Andrey Shlykov
+ * @author Jens Deppe
  * @since 2.0
  */
 class JedisClusterZSetCommands implements RedisZSetCommands {
@@ -1042,7 +1043,7 @@ class JedisClusterZSetCommands implements RedisZSetCommands {
 	 */
 	@Nullable
 	@SuppressWarnings("unchecked")
-	private static Tuple toTuple(List<?> bytes) {
+	private static Tuple toTuple(@Nullable List<?> bytes) {
 
 		if (bytes == null || bytes.isEmpty()) {
 			return null;