Added test for minimal example. Omit optional values when not set. Added messages for route info, production drop and route end.

route_end.go

@@ -0,0 +1,36 @@
+package feragstring
+
+import "fmt"
+
+type RouteEnd struct {
+	FeragMessage
+	routeName string
+}
+
+func (re *RouteEnd) RouteName() string {
+	return fmt.Sprintf("+11%-13s", re.routeName)
+}
+
+func (re *RouteEnd) SetRouteName(routeName string) {
+	re.routeName = routeName
+}
+
+func NewRouteEnd() *RouteEnd {
+	re := RouteEnd{
+		FeragMessage:        FeragMessage{
+			messageStart: "2406",
+			messageEnd:   "!",
+		},
+	}
+	return &re
+}
+
+func (re *RouteEnd) Payload() string {
+	data := re.RouteName()
+	return data
+}
+
+func (re *RouteEnd) Message() string {
+	message := re.FeragMessage.MessageTemplate()
+	return message(&re.FeragMessage, re.Payload())
+}