Minor Bug Fixes Release 2.2.1

Fixed a bug that occasionally caused Gaming Extensions to crash when Windows switched from desktop mode to fullscreen game mode.
The tray icon now reacts to clicks for the Steam Demo, bringing the welcome screen to the front.
Enhanced logging for webcam discovery to assist in debugging user setups.
Updated the version number format in the About section (e.g., 2.2.1 instead of 2.01.0001).