bat_shit_insane needs a priorityQueue

[JacobLeach]

Returns from system calls are handled by an interrupt. However, if another system call is placed before the first is done then the second system call is done before the last one's return gets done which fucks shit up.

[JacobLeach]

At the moment it just sticks return from interrupt interrupts at the front

[JacobLeach]

See #102.