Downloads are working and the goroutine is reporting updates appropriately.

internal/page/Message.go

@@ -0,0 +1,29 @@
+package page
+
+import (
+	"github.com/veandco/go-sdl2/sdl"
+)
+
+type MessagePage struct {
+	Msg string
+}
+
+func (p *MessagePage) Init(ctx *PageCtx) error {
+	return nil
+}
+
+func (p *MessagePage) HandleEvent(event *sdl.Event) error {
+	return nil
+}
+
+func (p *MessagePage) Update(dt float32) error {
+	return nil
+}
+
+func (p *MessagePage) Render() error {
+	return nil
+}
+
+func (p *MessagePage) Destroy() error {
+	return nil
+}