Added listen variable to controls

This makes it possible to send controls over socket.io

lib/controls/KeyControls.js

@@ -1,17 +1,19 @@
 class KeyControls {
   
-	constructor() {
+	constructor(listen = true) {
 		this.keys = {};
-		// Bind event handlers
-		document.addEventListener("keydown", e => {
-			if ([37, 38, 39, 40].indexOf(e.which) >= 0) {
-				e.preventDefault();
-			}
-			this.keys[e.which] = true;
-		}, false);
-		document.addEventListener("keyup", e => {
-			this.keys[e.which] = false;
-		}, false);
+		if (listen) {
+			// Bind event handlers
+			document.addEventListener("keydown", e => {
+				if ([37, 38, 39, 40].indexOf(e.which) >= 0) {
+					e.preventDefault();
+				}
+				this.keys[e.which] = true;
+			}, false);
+			document.addEventListener("keyup", e => {
+				this.keys[e.which] = false;
+			}, false);
+		}
 	}
 
 	get action() {

lib/controls/MouseControls.js

@@ -1,15 +1,19 @@
 class MouseControls {
-	constructor(container) {
+	constructor(container, listen = true) {
 		this.el = container || document.body;
 		// State
 		this.pos = { x: 0, y: 0 };
 		this.isDown = false;
 		this.pressed = false;
 		this.released = false;
-		// Handlers
-		document.addEventListener("mousemove", this.move.bind(this), false);
-		document.addEventListener("mousedown", this.down.bind(this), false);
-		document.addEventListener("mouseup", this.up.bind(this), false);
+
+		if (listen) {
+			// Handlers
+			document.addEventListener("mousemove", this.move.bind(this), false);
+			document.addEventListener("mousedown", this.down.bind(this), false);
+			document.addEventListener("mouseup", this.up.bind(this), false);
+		}
+
 	}
 
 	mousePosFromEvent({ clientX, clientY }) {