Inbox - Tool for downloading messages in Facebook Page

• Download failed when token is expired 2016/10/25 11:08:53 Request failed: status code 400 - {"error":{"message":"Error validating access token: Session has expired on Monday, 24-Oct-16 21:00:00 PDT. The current time is Monday, 24-Oct-16 21:08:52 PDT.","type":"OAuthException","code":190,"error_subcode":463,"fbtrace_id":"FWyaAGXtoZg"}} https://developers.facebook.com/docs/facebook-login/access-tokens#pagetokens https://developers.facebook.com/docs/facebook-login/access-tokens/expiration-and-extension

• All logs are showed on web page (use SSE)
• Allow user choose output directory
• Allow user pick one of his existing page
• Distribute this software to all platforms
• Allow user download messages in a time range
• Retry or log ID of messages that failed to download