Include file restructure!

- include/ now has subdirs
- standard C headers will be in 'include/c'. Any program can include these
- all other header shall only be used by the kernel

src/calc.c

@@ -1,13 +1,8 @@
-#include "stdint.h"
-#include "screen.h"
+#include <time.h>
 
 __attribute__ ((section ("entry")))
 void main() {
-    uint32_t wait = 0x1fffffff;
-
-    print("kern.\n\n");
-    
-    while (wait--);
+    sleep(4500); // Wait 4.5 seconds
 
     return;
 }

src/kernel.c

@@ -1,16 +1,16 @@
-#include <physicalMemManager.h> // TODO: Name this better
-#include <disk.h>
-#include <screen.h>
-#include <idt.h>
-#include <exceptions.h>
-#include <syscall.h>
-#include <pic.h>
-#include <system.h>
-#include <string.h>
-#include <graphics.h>
-#include <keyboard.h>
-#include <pit.h>
-#include <time.h>
+#include <memory/physical.h>
+#include <disk/disk.h>
+#include <screen/text.h>
+#include <interrupt/idt.h>
+#include <interrupt/exceptions.h>
+#include <interrupt/syscall.h>
+#include <interrupt/pic.h>
+#include <ports/io.h>
+#include <c/string.h>
+#include <screen/graphics.h>
+#include <keyboard/keyboard.h>
+#include <interrupt/pit.h>
+#include <c/time.h>
 
 #define PROMPT "#> "