Split code in respective files.

Resource method name change.

Route list func

stack.go

@@ -0,0 +1,19 @@
+package mux
+
+import "net/http"
+
+// stack middlewares(http handler) in order they are passed (FIFO)
+func stack(middlewares []func(http.Handler) http.Handler, endpoint http.Handler) http.Handler {
+	// Return ahead of time if there aren't any middlewares for the chain
+	if len(middlewares) == 0 {
+		return endpoint
+	}
+
+	// wrap the end handler with the middleware chain
+	h := middlewares[len(middlewares)-1](endpoint)
+	for i := len(middlewares) - 2; i >= 0; i-- {
+		h = middlewares[i](h)
+	}
+
+	return h
+}