Add support for HLL

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

@@ -3412,4 +3412,22 @@ public class Jedis extends BinaryJedis implements JedisCommands,
 	return BuilderFactory.STRING_MAP
 		.build(client.getBinaryMultiBulkReply());
     }
+
+    public Long pfadd(final String key, String... elements) {
+	checkIsInMulti();
+	client.pfadd(key, elements);
+	return client.getIntegerReply();
+    }
+
+    public long pfcount(final String key) {
+	checkIsInMulti();
+	client.pfcount(key);
+	return client.getIntegerReply();
+    }
+
+    public String pfmerge(final String destkey, final String... sourcekeys) {
+	checkIsInMulti();
+	client.pfmerge(destkey, sourcekeys);
+	return client.getStatusCodeReply();
+    }
 }