PIC remapping
Fixing redeclaration and use of PIC_ICWs and syntax errors
Alright, rejigged the IRQ handler trampoline
Setting up the IRQ funsies.
Setting the IRQ hops
Juggling with IRQ setup routines and code cleanups
Supporting newline and cursor setting in printChar
Oh, yeah, re-enable ints
Setup Keyboard 'driver'
Allow kernel code to setup IRQ handlers, no more masking