* not match the empty route

ignore nil time

update chat example

config: fix error when json config starts with an array

runmode = dev
appname = doraemon
[dev]
httpport = 8880
sessionon = true

[prod]
httpport = 8888
sessionon = true

[test]
httpport = 8080
sessionon = false

ns := NewNamespace("/v3",
		NSAutoRouter(&TestController{}),
		NSNamespace("/shop",
			NSGet("/order/:id", func(ctx *context.Context) {
				ctx.Output.Body([]byte(ctx.Input.Param(":id")))
			}),
		),
	)