increasing CPU instructions per second
removing unnecessary assembly file
adding irq interrupt function prototypes
moving isr.h to kernel subdirectory
removing segment.s file
changing parameters to irq set function
testing the timer IRQ, which doesn't seem to be working properly
moving gdt_flush into here and adding IRQ macros
some functions to register and handle IRQs
setting IRQ gates
moving isr.h into here
adding timer, which will be used later for context switches
adding timer