V3.121

I got 3 hours after work today , 3 HOURS and like a bro published this awesome update which brings important bug fixes and performance improvements .

Changelog:

<br>* Latest FFMPEG 4.0.2                    
<br>* Fast change between modes (no more lag)
<br>* Visualizers Speed Improvements        
<br>* Improved Application Updater Mechanism
<br>* Encoder Bug Fixes
<br>* General Bug Fixes