Remove cache when re-login.

Signed-off-by: Eric Wang <[email protected]>

Author: skygragon

lib/core.js

@@ -49,7 +49,8 @@ core.login = function(user, cb) {
   client.login(user, function(e, user) {
     if (e) return cb(e);
 
-    // FIXME: need expire all.json
+    // NOTE: need invalidate any user related cache
+    cache.del('all');
     cache.set('.user', user);
     return cb(null, user);
   });