add .toObject() method to structures (#522)

* add .toObject() method to structures

* add compiled PMChannel change from last commit

* uncomment members in VoiceChannel toObject method

lib/Structures/VoiceChannel.js

@@ -31,6 +31,18 @@ var VoiceChannel = (function (_ServerChannel) {
 		this.bitrate = Math.round(this._bitrate / 1000); // store as kbps
 	}
 
+	VoiceChannel.prototype.toObject = function toObject() {
+		var obj = _ServerChannel.prototype.toObject.call(this);
+
+		obj.userLimit = this.userLimit;
+		obj.bitrate = this.bitrate;
+		obj.members = this.members.map(function (member) {
+			return member.toObject();
+		});
+
+		return obj;
+	};
+
 	VoiceChannel.prototype.join = function join() {
 		var callback = arguments.length <= 0 || arguments[0] === undefined ? function () {} : arguments[0];