AD 1. I'm not sure what you mean. Isn't Keypad 5 the same as KP 5?
AD 2. You can craft a goatskin, fill it with blood, and drink when you need to. :)
AD 1. It's about how it displays when rebound. If I rebind rest from r to Keypad 5 - I'll get Keypad 5 in the tooltip, which overlaps with keybinds for other abilities in the micro-menu for rest sleep drink etc.
AD 2. That I do now, thanks :)