Dispatch Method called by twisted render, creates a 
        request/response handler chain.
        request -- twisted.web.server.Request

def render_POST(self, request):
        """Dispatch Method called by twisted render, creates a 
        request/response handler chain.
        request -- twisted.web.server.Request
        """
        from twisted.internet.defer import maybeDeferred
        
        chain = self.factory.newInstance()
        data = request.content.read()
        
        d = maybeDeferred(chain.processRequest, data, request=request, resource=self)
        d.addCallback(chain.processResponse, request=request, resource=self)
        d.addCallback(self._writeResponse, request)
        d.addErrback(self._writeFault, request)
        
        return NOT_DONE_YET