added multiple list members operatio api methods

tests.py

@@ -277,6 +277,19 @@ class TweepyAPITests(unittest.TestCase):
         assert_list(self.api.add_list_member(**params))
         assert_list(self.api.remove_list_member(**params))
 
+    def testaddremovelistmembers(self):
+        params = {
+            'slug': 'test',
+            'owner_screen_name': username,
+            'screen_name': 'twitterapi,twittermobile'
+        }
+
+        def assert_list(l):
+            self.assertEqual(l.name, params['slug'])
+
+        assert_list(self.api.add_list_members(**params))
+        assert_list(self.api.remove_list_members(**params))
+
     def testlistmembers(self):
         self.api.list_members('applepie', 'stars')
 

tweepy/api.py

@@ -574,6 +574,22 @@ class API(object):
         require_auth = True
     )
 
+    add_list_members = bind_api(
+        path = '/lists/members/create_all.json',
+        method = 'POST',
+        payload_type = 'list',
+        allowed_param = ['screen_name', 'user_id', 'owner_screen_name', 'owner_id', 'slug', 'list_id'],
+        require_auth = True
+    )
+
+    remove_list_members = bind_api(
+        path = '/lists/members/destroy_all.json',
+        method = 'POST',
+        payload_type = 'list',
+        allowed_param = ['screen_name', 'user_id', 'owner_screen_name', 'owner_id', 'slug', 'list_id'],
+        require_auth = True
+    )
+
     list_members = bind_api(
         path = '/lists/members.json',
         payload_type = 'user', payload_list = True,