Added message deletion

lib/Client.js

@@ -315,6 +315,33 @@ var Client = (function () {
 				self.sendMessage(destination, message, callback, user + ", ").then(response)["catch"](reject);
 			});
 		}
+	}, {
+		key: "deleteMessage",
+		value: function deleteMessage(message, timeout) {
+			var callback = arguments.length <= 2 || arguments[2] === undefined ? function (err, msg) {} : arguments[2];
+
+			var self = this;
+
+			return new Promise(function (resolve, reject) {
+				if (timeout) {
+					setTimeout(remove, timeout);
+				} else {
+					remove();
+				}
+
+				function remove() {
+					request.del(Endpoints.CHANNELS + "/" + message.channel.id + "/messages/" + message.id).set("authorization", self.token).end(function (err, res) {
+						if (err) {
+							callback(err);
+							reject(err);
+						} else {
+							callback(null, message);
+							resolve(message);
+						}
+					});
+				}
+			});
+		}
 	}, {
 		key: "sendMessage",
 		value: function sendMessage(destination, message) {