add variadic arguments support to lpush and rpush

src/main/java/redis/clients/jedis/BinaryShardedJedis.java

@@ -180,12 +180,12 @@ public class BinaryShardedJedis extends Sharded<Jedis, JedisShardInfo>
         return j.hgetAll(key);
     }
 
-    public Long rpush(byte[] key, byte[] string) {
+    public Long rpush(byte[] key, byte[]... string) {
         Jedis j = getShard(key);
         return j.rpush(key, string);
     }
 
-    public Long lpush(byte[] key, byte[] string) {
+    public Long lpush(byte[] key, byte[]... string) {
         Jedis j = getShard(key);
         return j.lpush(key, string);
     }
@@ -407,4 +407,4 @@ public class BinaryShardedJedis extends Sharded<Jedis, JedisShardInfo>
         pipeline.setShardedJedis(this);
         return pipeline;
     }
-}
+}