Apply PF* (string, binary) commands to Pipeline

* Apply PF* (string, binary) commands to Pipeline
* PF* Pipeline (string, binary) commands to interface
** pfadd / pfcount : BinaryRedisPipeline, RedisPipeline
** pfmerge : MultiKeyBinaryRedisPipeline, MultiKeyCommandsPipeline

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

@@ -1204,4 +1204,28 @@ abstract class PipelineBase extends Queable implements BinaryRedisPipeline,
 	return getResponse(BuilderFactory.STRING);
     }
 
+    @Override
+    public Response<Long> pfadd(byte[] key, byte[]... elements) {
+	getClient(key).pfadd(key, elements);
+	return getResponse(BuilderFactory.LONG);
+    }
+
+    @Override
+    public Response<Long> pfcount(byte[] key) {
+	getClient(key).pfcount(key);
+	return getResponse(BuilderFactory.LONG);
+    }
+
+    @Override
+    public Response<Long> pfadd(String key, String... elements) {
+	getClient(key).pfadd(key, elements);
+	return getResponse(BuilderFactory.LONG);
+    }
+
+    @Override
+    public Response<Long> pfcount(String key) {
+	getClient(key).pfcount(key);
+	return getResponse(BuilderFactory.LONG);
+    }
+    
 }