2004/04/14
	added content-type text/xml as default in  soap_client_invoke()
	Ferhat Ayaz

2004/03/26 
	creates detached threads (depending on problem under Redhat 9), thanks
	Menzo Windhouwer

2004/03/26
	gracefully terminate HTTP server, added SIGTERM signal handler, thanks
	Menzo Windhouwer