pg: minor fixes

examples/vweb/vweb_example.v

@@ -0,0 +1,46 @@
+module main
+
+import vweb
+
+const (
+	port = 8082
+)
+
+struct App {
+pub mut:
+	vweb vweb.Context // TODO embed
+	cnt int
+}
+
+fn main() {
+	app := App{}
+	vweb.run(mut app, port)
+	//vweb.run<App>(Port)
+}
+
+pub fn (app mut App) init() {
+	app.vweb.handle_static('.')
+}
+
+pub fn (app & App) json_endpoint() {
+	app.vweb.json('{"a": 3}')
+}
+
+/*
+pub fn (app mut App) index() {
+	app.cnt ++
+	
+	$vweb.html()
+}
+*/
+
+pub fn (app & App) text() {
+	app.vweb.text('hello world')
+}
+
+pub fn (app mut App) cookie() {
+	app.vweb.text('Headers:')
+	app.vweb.set_cookie('cookie', 'test')
+	app.vweb.text(app.vweb.headers)
+	app.vweb.text('Text: hello world')
+}