def send_wcf_action(soap_action,body,*args)
			yield(req) if block_given?
			cookies = @cookies.empty? ? "" : @cookies.join(',')
			header = {
				"SOAPAction" => soap_action,
				"Content-Type" => "text/xml; charset=utf-8",
				"Cookie" => cookies
			}
			send_message_to_wcf(@service_address, header, body, *args)
		end
def send_wcf_action(soap_action,body,*args)
			yield(req) if block_given?
			cookies = @cookies.empty? ? "" : @cookies.join(',')
			header = {
				"SOAPAction" => soap_action,
				"Content-Type" => "text/xml; charset=utf-8",
				"Cookie" => cookies
			}
			send_message_to_wcf(@service_address, header, body, *args)
		end
Call to wcf method
 Params:
 +soap_action+:: the value of the SOAPAction header
 +body+:: the body of the HTTP request
 +args+:: metadata that indicate wich autountication to use