Add setNickname docs

docs/docs_client.rst

@@ -702,6 +702,17 @@ Server-undeafens a member.
 - **callback** - `function` taking the following:
     - **error** - error if any occurred.
 
+setNickname(server, nickname, `user`, `callback`)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Set the nickname of a user on a server.
+
+- **server** - A `Server Resolvable`_ to set the nickname of the user in
+- **nickname** - `string` of the nickname
+- **user** - The `User Resolvable`_ to perform the nickname change on. If no user is specified, this will change the bot user's nickname
+- **callback** - `function` taking the following:
+    - **error** - error if any occurred.
+
 Events
 ------
 

docs/docs_server.rst

@@ -166,6 +166,12 @@ kickMember(user, `callback`)
 | **Aliases** `kickUser, kick`
 | **See** client.kickMember_
 
+setNickname(nickname, user, `callback`)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+| **Shortcut of** ``client.setNickname(server, nickname, user, callback)``
+| **See** client.setNickname_
+
 .. _client.leaveServer : ./docs_client.html#leaveserver-server-callback
 .. _client.createInvite : ./docs_client.html#createinvite-channel-options-callback
 .. _client.createRole : ./docs_client.html#createrole-server-data-callback
@@ -173,4 +179,5 @@ kickMember(user, `callback`)
 .. _client.banMember : ./docs_client.html#banmember-user-server-length-callback
 .. _client.unbanMember : ./docs_client.html#unbanmember-user-server-callback
 .. _client.kickMember : ./docs_client.html#kickmember-user-server-callback
+.. _client.setNickname : ./docs_client.html#setNickname-server-nickname-user-callback
 .. _client.getBans : ./docs_client.html#getbans-server-callback

lib/Client/Client.js

@@ -755,6 +755,11 @@ var Client = (function (_EventEmitter) {
 	Client.prototype.setNickname = function setNickname(server, nick, user) {
 		var callback = arguments.length <= 3 || arguments[3] === undefined ? function () /*err, {}*/{} : arguments[3];
 
+		if (typeof user === "function") {
+			// user is the callback
+			callback = user;
+			user = null;
+		}
 		if (!user) {
 			user = this.user;
 		}

src/Client/Client.js

@@ -812,6 +812,11 @@ export default class Client extends EventEmitter {
 
 	// def setNickname
 	setNickname(server, nick, user, callback = (/*err, {}*/) => { }) {
+		if (typeof user === "function") {
+			// user is the callback
+			callback = user;
+			user = null;
+		}
 		if(!user) {
 			user = this.user;
 		}