Merge pull request #578 from wjt/update_status-positional

update_status: first positional argument should be 'status'

diff --cc tweepy/api.py
index 45c35ee9c04f71bcdb64b9e57c0937066898098d,d46bba2c2e4c05f99189038cbe63ca0ab902948d..1b7789dda61d58c1219218b513831b4f4b00b184
--- 1/tweepy/api.py
--- 2/tweepy/api.py
+++ b/tweepy/api.py
@@@ -180,9 -180,10 +180,10 @@@ class API(object)
              :allowed_param:'status', 'in_reply_to_status_id', 'lat', 'long', 'source', 'place_id', 'display_coordinates', 'media_ids'
          """
          post_data = {}
+         media_ids = kwargs.pop("media_ids", None)
          if media_ids is not None:
              post_data["media_ids"] = list_to_csv(media_ids)
 -        
 +
          return bind_api(
              api=self,
              path='/statuses/update.json',