Automate auto-binding of prototype methods

lib/robot.js

@@ -31,21 +31,12 @@ var Robot = module.exports = function Robot(opts) {
 
   validator.validate(opts);
 
-  var methods = [
-    "toString",
-    "halt",
-    "startDevices",
-    "startConnections",
-    "start",
-    "initRobot",
-    "initDevices",
-    "initConnections",
-    "log"
-  ];
-
-  methods.forEach(function(method) {
-    this[method] = this[method].bind(this);
-  }, this);
+  // auto-bind prototype methods
+  for (var prop in Object.getPrototypeOf(this)) {
+    if (this[prop] && prop !== "constructor") {
+      this[prop] = this[prop].bind(this);
+    }
+  }
 
   this.initRobot(opts);
   this.initConnections(opts);