Bump version to 1.8.5; Resolve babel and npm warnings

babel.config.js

@@ -1,13 +1,14 @@
 const presets = [
-  [
-    "@babel/env",
-    {
-      targets: {
-        node: "6",
-      },
-      useBuiltIns: "usage",
-    },
-  ],
+    [
+        '@babel/env',
+        {
+            targets: {
+                node: '6',
+            },
+            useBuiltIns: 'usage',
+            corejs: 3,
+        },
+    ],
 ];
 
 module.exports = { presets };

package.json

@@ -1,7 +1,7 @@
 {
   "name": "ps4-waker",
   "description": "Wake your PS4 over LAN (and more!) with help from the Playstation App",
-  "version": "1.8.4",
+  "version": "1.8.5",
   "author": "Daniel Leong",
   "license": "MIT",
   "main": "index.js",
@@ -10,7 +10,7 @@
     "check": "npm run lint && npm run build && npm run test",
     "dev": "babel lib -d dist -w",
     "lint": "eslint lib",
-    "prepublish": "npm run build",
+    "prepare": "npm run build",
     "test": "mocha --require @babel/register test test/**"
   },
   "repository": {
@@ -36,6 +36,7 @@
   "homepage": "https://github.com/dhleong/ps4-waker",
   "dependencies": {
     "@babel/polyfill": "^7.0.0",
+    "core-js": "^3.0.1",
     "debug": "^4.1.0",
     "minimist": "^1.2.0",
     "node-rsa": "^0.4.2"