Call download_stories in _error_catcher

download_stories() may trow a BadResponseException, which should not
cause abortion of download_profile(). Now, all calls of
download_stories() are within an _error_catcher context.

instaloader.py

@@ -1159,7 +1159,8 @@ class Instaloader:
 
         # Download stories, if requested
         if download_stories or download_stories_only:
-            self.download_stories(userids=[profile_id], filename_target=name, fast_update=fast_update)
+            with self._error_catcher("Download stories of {}".format(name)):
+                self.download_stories(userids=[profile_id], filename_target=name, fast_update=fast_update)
         if download_stories_only:
             return