Fixed named argument call signature stuff and issues with classes and call signature params.

jedi/api/__init__.py

@@ -571,7 +571,7 @@ class Script(object):
 
         :rtype: list of :class:`classes.CallSignature`
         """
-        call_txt, call_index = self._user_context.call_signature()
+        call_txt, call_index, key_name = self._user_context.call_signature()
         if call_txt is None:
             return []
 
@@ -587,7 +587,6 @@ class Script(object):
                                                   self._pos, stmt)
         debug.speed('func_call followed')
 
-        key_name = None
         if 0:  # Change logic.
             try:
                 # Access the trailers arglist node.

jedi/api/classes.py

@@ -690,6 +690,7 @@ class CallSignature(Definition):
 
             for i, param in enumerate(self.params):
                 # *args case
+                print(param)
                 if param._name.get_definition().stars == 1:
                     return i
             return None