* Reworked c++ redist 2015 available check. The previous one failed on some systems.
* Added some more cleanup code to remove tmp files after a bot stops.
* Added some exception cases to prevent errors.
* Added check if "Visual C++ Redistributable for Visual Studio 2015" is installed. If not you can directly download it.
* Optimized some codes for the launcher initialization.
* Added support for Twitch and Youtube livestream playback which is currently available in the TS3MusicBot BETA version.