Last missing gists method, closes #143

Author: cursedcoder

lib/Github/Api/Gists.php

@@ -54,6 +54,11 @@ public function fork($id)
         return $this->post('gists/'.rawurlencode($id).'/fork');
     }
 
+    public function forks($id)
+    {
+        return $this->get('gists/'.rawurlencode($id).'/forks');
+    }
+
     public function remove($id)
     {
         return $this->delete('gists/'.rawurlencode($id));

test/Github/Tests/Api/GistsTest.php

@@ -94,6 +94,22 @@ public function shouldForkGist()
         $this->assertEquals($expectedArray, $api->fork(123));
     }
 
+    /**
+     * @test
+     */
+    public function shouldListGistForks()
+    {
+        $expectedArray = array('id' => '123');
+
+        $api = $this->getApiMock();
+        $api->expects($this->once())
+            ->method('post')
+            ->with('gists/123/forks')
+            ->will($this->returnValue($expectedArray));
+
+        $api->forks(123);
+    }
+
     /**
      * @test
      * @expectedException Github\Exception\MissingArgumentException