Added the ability to list all users.

doc/users.md

@@ -12,6 +12,22 @@ $users = $client->api('user')->find('KnpLabs');
 
 Returns an array of found users.
 
+### Lists all users, in the order they signed up, since the last user you've seen
+
+```php
+$users = $client->api('user')->all(135);
+```
+
+Returns an array of all users that registered after the user whose ID is 135.
+
+### Lists all users, in the order they signed up
+
+```php
+$users = $client->api('user')->all();
+```
+
+Returns an array of all users.
+
 ### Get information about a user
 
 ```php

lib/Github/Api/User.php

@@ -24,6 +24,21 @@ public function find($keyword)
         return $this->get('legacy/user/search/'.rawurlencode($keyword));
     }
 
+    /**
+     * Request all users:
+     * @link https://developer.github.com/v3/users/#get-all-users
+     *
+     * @param integer|null $id ID of the last user that you've seen
+     * @return array list of users found
+     */
+    public function all($id = null)
+    {
+        if (!is_integer($id)) {
+            return $this->get('users');
+        }
+        return $this->get('users?since=' . rawurldecode($id));
+    }
+
     /**
      * Get extended information about a user by its username
      * @link http://developer.github.com/v3/users/

test/Github/Tests/Api/UserTest.php

@@ -20,6 +20,25 @@ public function shouldShowUser()
         $this->assertEquals($expectedArray, $api->show('l3l0'));
     }
 
+    /**
+     * @test
+     */
+    public function shouldGetAllUsers()
+    {
+        $expectedArray = array(
+            array('id' => 1, 'username' => 'l3l0'),
+            array('id' => 2, 'username' => 'l3l0test')
+        );
+
+        $api = $this->getApiMock();
+        $api->expects($this->once())
+            ->method('get')
+            ->with('users')
+            ->will($this->returnValue($expectedArray));
+
+        $this->assertEquals($expectedArray, $api->all());
+    }
+
     /**
      * @test
      */