Rollback d8d5af6 (especially b/c it's involved in felixge/felixge#28).

lib/Client.js

@@ -53,7 +53,6 @@ Client.prototype.resume = function() {
   this._udpNavdatasStream
     .on('error', this._maybeEmitError.bind(this))
     .on('data', this._handleNavdata.bind(this));
-  return this;
 };
 
 Client.prototype._handleNavdata = function(navdata) {
@@ -135,39 +134,30 @@ Client.prototype._sendCommands = function() {
 
 Client.prototype.disableEmergency = function() {
   this._disableEmergency = true;
-  return this;
 };
 
 Client.prototype.takeoff = function() {
   this._ref.fly = true;
-  return this;
+  return true;
 };
 
 Client.prototype.land = function() {
   this._ref.fly = false;
-  return this;
+  return true;
 };
 
 Client.prototype.stop = function() {
   this._pcmd = {};
-  return this;
+  return true;
 };
 
 Client.prototype.config = function(key, value) {
-  if (typeof key === "object") {
-    for (var k in key) {
-      if (Object.hasOwnProperty.call(key, k)) this.config(k, key[k]);
-    }
-    return this;
-  }
-
   // @TODO Figure out if we can get a ACK for this, so we don't need to
   // repeat it blindly like this
   var self = this;
   this._repeat(10, function() {
     self._udpControl.config(key, value);
   });
-  return this;
 };
 
 Client.prototype.animate = function(animation, duration) {
@@ -177,7 +167,6 @@ Client.prototype.animate = function(animation, duration) {
   this._repeat(10, function() {
     self._udpControl.animate(animation, duration);
   });
-  return this;
 };
 
 Client.prototype.animateLeds = function(animation, hz, duration) {
@@ -187,7 +176,6 @@ Client.prototype.animateLeds = function(animation, hz, duration) {
   this._repeat(10, function() {
     self._udpControl.animateLeds(animation, hz, duration);
   });
-  return this;
 };
 
 Client.prototype._repeat = function(times, fn) {
@@ -208,7 +196,7 @@ pcmdOptions.forEach(function(pair) {
     this._pcmd[pair[0]] = speed;
     delete this._pcmd[pair[1]];
 
-    return this;
+    return speed;
   };
 
   Client.prototype[pair[1]] = function(speed) {
@@ -217,6 +205,6 @@ pcmdOptions.forEach(function(pair) {
     this._pcmd[pair[1]] = speed;
     delete this._pcmd[pair[0]];
 
-    return this;
+    return speed;
   };
 });