Partially fixed names in DMs

TODO

@@ -11,5 +11,6 @@ features:
 
 bugs: 
 
-* Direct Messages have no names
+* Direct Messages have no names, only screen names (may not be fixable without
+  considerable tweets to python-twitter)
 * single-tweet tabs will not persist properly

mytwitter.py

@@ -433,7 +433,7 @@ class MyTwitter():
             status = Status()
             status.id = dm.id
             status.user = User()
-            status.user.screen_name = dm.sender.screen_name
+            status.user.screen_name = dm.sender_screen_name
             status.user.name = dm.sender.name
             status.created_at = dm.created_at
             status.text = dm.text