Use text-encoding library for text encoder

package.json

@@ -59,6 +59,7 @@
     "socket.io-client": "2.0.4",
     "stats.js": "^0.17.0",
     "tap": "^10.2.0",
+    "text-encoding": "0.6.4",
     "tiny-worker": "^2.1.1",
     "webpack": "^3.10.0",
     "webpack-dev-server": "^2.4.1",

src/virtual-machine.js

@@ -1,3 +1,4 @@
+import {TextEncoder} from 'text-encoding';
 const EventEmitter = require('events');
 
 const centralDispatch = require('./dispatch/central-dispatch');