adding more convenience functions, improve some argument receivers

funcs.go

@@ -115,3 +115,32 @@ func pathsFromPath(bus dbus.BusObject, path string) (paths []dbus.ObjectPath, er
 
 	return
 }
+
+/*
+	NameFromPath returns an actual name (as it appears in Dbus) from a dbus.ObjectPath.
+	Note that you can get any object's dbus.ObjectPath via <object.Dbus.Path().
+	path is validated to ensure it is not an empty string.
+*/
+func NameFromPath(path dbus.ObjectPath) (name string, err error) {
+
+	var strSplit []string
+	var ok bool
+
+	if ok, err = pathIsValid(path); err != nil {
+		return
+	} else if !ok {
+		err = ErrBadDbusPath
+		return
+	}
+
+	strSplit = strings.Split(string(path), "/")
+
+	if len(strSplit) < 1 {
+		err = ErrBadDbusPath
+		return
+	}
+
+	name = strSplit[len(strSplit)-1]
+
+	return
+}