Fix a bug in http server where it never gracefully migrates to new version without restart

core/http.mjs

@@ -49,7 +49,7 @@ export default class HttpServer {
     if (!this.active[name]) return false
 
     try {
-      await new Promise((res, rej) => {
+      return await new Promise((res, rej) => {
         this.sockets[name].forEach(function(socket) {
           socket.destroy()
         })

package.json

@@ -1,6 +1,6 @@
 {
   "name": "service-core",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "Core boiler plate code to install node server as windows service",
   "main": "lib.mjs",
   "scripts": {