More debugging to _panic()

Added a stack trace and a register dump

src/arch/x86_64/isr.c

@@ -1,16 +1,16 @@
 #include <arch/isr.h>
 #include <arch/panic.h>
 
-void isr_general(void*){
-	_panic("Unhandled interrupt");
+void isr_general(arch_regsnoerror *reg){
+	_panic("Unhandled interrupt", 0);
 	asm("hlt");
 }
 
-void isr_except(void*){
-	_panic("CPU Exception");
+void isr_except(arch_regserror *reg){
+	_panic("CPU Exception", reg);
 	asm("hlt;");
 }
 
 void isr_pagefault(void*){
-
+	
 }