updated socket.io

package.json

@@ -4,10 +4,12 @@
   "description": "A SMS Messageboard built using node and express",
   "main": "app.js",
   "dependencies": {
+    "async": "^2.0.0-rc.6",
     "emojize": "^0.2.0",
     "lowdb": "^0.12.5",
+    "nan": "^2.3.5",
     "serialport": "^2.0.6",
-    "socket.io": "^1.4.5"
+    "socket.io": "^1.4.8"
   },
   "devDependencies": {},
   "scripts": {