4.8.0

• improved: added method Client::prepareCurlHandle, to make it easier to send multiple requests in parallel when using
  curl and the server does not support system.multicall. See new demo file parallel.php for how this can be done.

• fixed: error 'Class "PhpXmlRpc\Exception\PhpXmlrpcException" not found' when including xmlrpc.inc and on php 8.1
  (might also happen on other php versions)

• fixed: the benchmark.php file had seen some tests accidentally dropped