Display crashes inside Alpha

[Legoless]

Hooking onto NSGetUncaughtExceptionHandler should make it possible to inject a special Alpha exception handler. Since this is a C function it cannot be swizzled, but each application activation and a timer should be able to check if Alpha function is set.

[OdNairy]

https://github.com/kstenerud/KSCrash
This library looks close to required functionality.