add select to transaction

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

@@ -563,4 +563,9 @@ public class BinaryTransaction extends Queable {
         client.brpoplpush(source, destination, timeout);
         return getResponse(BuilderFactory.BYTE_ARRAY);
     }
+    
+    public Response<String> select(final int index) {
+        client.select(index);
+        return getResponse(BuilderFactory.STRING);
+    }
 }

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

@@ -576,5 +576,4 @@ public class Transaction extends BinaryTransaction {
         client.publish(channel, message);
         return getResponse(BuilderFactory.LONG);
     }
-
 }