Fixed crash in chapter 12 episode 4. Thank you **taisuke** for bug report. Undubbed by request from [tapochek.net](http://tapochek.net/index.php) Works ONLY with gateway, 'cause zero key encryption. Post in comments about all bugs that you find. DDL: [GoogleDrive](https://drive.google.com/file/d/0B5PsjVP5fmHMRFVkQkRTWHhXY3c)