DrutNet not working with Drupal Services 7.3.4 and up

[benarso]

For example : node.retrieve returns "CSRF validation failed" error.

Because of this security fix : https://drupal.org/node/2012982

"Note that Services clients using session authentication now should supply a special X-CSRF-Token header with a token that can be retrieved from http://example.com/services/session/token. This is needed for writing HTTP methods calls (POST, PUT, DELETE)."