* Update enabled complier warnings
* Convert to Modern Objective-C syntax using Xcode's tool
* Convert to modern objc syntax manually, fix some PR issues
* Remove unnecessary parentheses
* Use property syntax for all custom properties
* Use property syntax for all system properties
* Fix erroneously autoreleased values
* Revert VDKQueue to old objc syntax
Co-authored-by: Mike Gelfand <mikedld@users.noreply.github.com>
Co-authored-by: Mitch Livingston <livings124@mac.com>
Mike Gelfand