fix: Audio devices given the wrong source id (#256)

fix: NullReferenceException during some debug sessions

...and not include a bunch of other work-in-progress changes this time

feat: Separate audio sources to audio tracks

fix: Catch process Access Denied exception (#100)

* Removed currentSession.Pid != 0 check.

* Try & Catch at process.HasExited-check

* Fixed log message

* Minimized code

fix: Issue with multiple restart recordings on user tab focus (#65)

* Fixes an issue where the user tabs in an out fast that causes multiple RestartRecordings to happen at the same time.

Fix #1, Typo of tempSaveDir/videoSaveDir

Update README.md

Fix preview image