Fixed issue with volume interface

Fixed: Issue with Failed to initialize Windows volume interface (attempt x): 'AudioDevice' object has no attribute 'Activate'

App instance fix

Fixed: only one app instance at a time

Improved CPU load

Reduced CPU load from 10% to below 2%

Bug fix

Fixed startup initialization bug

Bug fix

Tentative to fix Error getting bus 0 gain: exception: access violation reading

Initial version

v1.0.0

Initial commit