Add strlen to ShardedJedis

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

@@ -195,6 +195,11 @@ public class BinaryShardedJedis extends Sharded<Jedis, JedisShardInfo>
 	return j.lpush(key, strings);
     }
 
+    public Long strlen(final byte[] key) {
+    Jedis j = getShard(key);
+    return j.strlen(key);
+    }
+
     public Long lpushx(byte[] key, byte[] string) {
         Jedis j = getShard(key);
         return j.lpushx(key, string);

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

@@ -213,6 +213,11 @@ public class ShardedJedis extends BinaryShardedJedis implements JedisCommands {
 	return j.lpushx(key, string);
     }
 
+    public Long strlen(final String key) {
+    Jedis j = getShard(key);
+    return j.strlen(key);
+    }
+
     public Long rpushx(String key, String string) {
 	Jedis j = getShard(key);
 	return j.rpushx(key, string);