Added updateDetails and setUsername

lib/Client/InternalClient.js

@@ -982,6 +982,33 @@ var InternalClient = (function () {
 		});
 	};
 
+	//def updateDetails
+
+	InternalClient.prototype.updateDetails = function updateDetails(data) {
+		var self = this;
+		return new Promise(function (resolve, reject) {
+			request.patch(Endpoints.ME).set("authorization", self.token).send({
+				avatar: data.avatar || self.user.avatar,
+				email: data.email || self.email,
+				new_password: data.new_password || null,
+				password: data.password || self.password,
+				username: data.username || self.user.username
+			}).end(function (err) {
+				if (err) {
+					reject(err);
+				} else {
+					resolve();
+				}
+			});
+		});
+	};
+
+	//def setUsername
+
+	InternalClient.prototype.setUsername = function setUsername(username) {
+		return this.updateDetails({ username: username });
+	};
+
 	//def setTopic
 
 	InternalClient.prototype.setTopic = function setTopic(chann) {