Fix router url handling for child routers

outwatch-router/src/main/scala/outwatch/router/Router.scala

@@ -15,7 +15,7 @@ final case class RouterState[P](page: P)
 class AppRouter[F[_]: LiftIO, P](root: Path, f: Path => P) {
   def routerReducer(state: RouterState[P], action: Action): RouterState[P] = action match {
     case Replace(path) =>
-      Path.unapplySeq(Path(root, path)).foreach(p => window.history.replaceState("", "", p.mkString("/")))
+      window.history.replaceState("", "", Path(root, path).toString)
       state.copy(page = f(path))
     case _ => state
   }

project/Version.scala

@@ -1,4 +1,4 @@
 object Version{
-  val version = "0.0.3"
+  val version = "0.0.4"
   val scalaVersion = "2.12.8"
 }