dirStack.peek().children.add(file);
            }
        }

        public void postDirectory() {
            dirStack.pop();
        }

        public void postRoot() {

        }

        public void postProperty() {

        }
    }

Host: example.com
Content-Type: application/x-www-form-urlencoded
Content-Length: 15

postfoo=postbar`
	h := &Handler{
		Path: os.Args[0],
		Root: "/test.cgi",
	}
	expectedMap := map[string]string{
		"test":               "Hello CGI",
		"param-postfoo":      "postbar",
		"env-REQUEST_METHOD": "POST",
		"env-CONTENT_LENGTH": "15",
		"env-REQUEST_URI":    "/test.cgi?a=b",
	}