Fix task switch crash, start work on PCI
Clean up some debug
Core/Vec - Implement into_iter
Kernel/amd64 - Tiny tidyup
Kernel/PCI - Code cleanup
Kernel/Box - Use 'where' for parameter bound
Kernel/DevManager - Continued design work, hacked up device register
Notes - Add quick notes on Device Manager
Kernel/DeviceManager - Tweak trait signatures