Moved everything from util/ to lib/

src/kernel/arch/i686/idt.c

@@ -1,5 +1,5 @@
 #include "idt.h"
-#include "../../util/binary.h"
+#include "../../lib/binary.h"
 
 typedef struct{
     uint16_t base_low;

src/kernel/drivers/keyboard.c

@@ -1,4 +1,4 @@
-#include "../util/string.h"
+#include "../lib/string.h"
 #include "keyboard.h"
 #include "../arch/i686/isr.h"
 #include "../lib/stdio.h"