can't properly unload this plugin

Signed-off-by: Jeff Carr <jcarr@wit.com>

action.go

@@ -9,7 +9,6 @@ package main
 import (
 	"go.wit.com/log"
 	"go.wit.com/widget"
-	// "go.wit.com/toolkits/tree"
 )
 
 func doAction(a widget.Action) {

stdin.go

@@ -20,6 +20,8 @@ func showOptions() {
 	fmt.Println("'g': load gocui plugin")
 	fmt.Println("'a': load andlabs plugin")
 	fmt.Println("'d': enable debugging")
+	fmt.Println("'p': panic plugin")
+	fmt.Println("'q': close plugin")
 	fmt.Println("")
 	fmt.Println("Enter the number of the widget to click:")
 	fmt.Print("Option: ")
@@ -53,6 +55,12 @@ func simpleStdin() {
 			me.myTree.SendToolkitLoad("andlabs")
 		case "d":
 			me.myTree.SendEnableDebugger()
+		case "p":
+			debug.PrintStack()
+			me.myTree.SendToolkitPanic()
+			return
+		case "q":
+			return
 		case "":
 			showOptions()
 		default: