In the action helper Centurion_Controller_Action_Helper_Csv :
Set the flag $replace of getResponse()->setHeader at true because sometimes, there are already defined in the application.
And we do not necessarily clear all predefined headers, but some browser (like Chrome/Chromium) not support several time the same type of header in the same server anwser
In the action helper Centurion_Controller_Action_Helper_Csv :
Set the flag $replace of getResponse()->setHeader at true because sometimes, there are already defined in the application. And we do not necessarily clear all predefined headers, but some browser (like Chrome/Chromium) not support several time the same type of header in the same server anwser