Limit from 1 --> 21
Limit from 1 --> 21

See http://i.imgur.com/7thEAws.png. The Facebook API uses limit: 21 when it hits search_threads.php. Unless it was intentional to only search for a single thread, I think it was a typo.
Schmavery/facebook-chat-api,tpphu/facebook-chat-api,AdamBurgess/facebook-chat-api,noodle-learns-programming/facebook-chat-api,GAMELASTER/facebook-chat-api,ravkr/facebook-chat-api