Updated README.md

Author: michael

README.md

@@ -118,6 +118,14 @@ user.orgs(function(err, orgs) {
 });
 ```
 
+List authenticated user's gists.
+
+```js
+user.gists(username, function(err, gists) {
+  
+});
+```
+
 Show user information for a particular username. Also works for organizations.
 
 ```js
@@ -142,6 +150,14 @@ user.orgRepos(orgname, function(err, repos) {
 });
 ```
 
+List all gists of a particular user. If username is ommitted gists of the current authenticated user are returned.
+
+```js
+user.userGists(username, function(err, gists) {
+  
+});
+```
+
 ## Tests
 
 Github.js is automatically™ tested by the users of [Prose](http://prose.io). Because of that, we decided to save some time by not maintaining a test suite. Yes, you heard right. :) However, you can still consider it stable since it is used in production.