TwitterStatus should take weak references on the TwitterUser
TwitterStatus should take weak references on the TwitterUser

Instead of using real references, we should use weak refs for
the user's status backlink.

Signed-off-by: Emmanuele Bassi <049ee2061f71220e5aaf33f5be422fc2a2b06a44@gnome.org>

ebassi/twitter-glib,ebassi/twitter-glib