Updates to dev timeline!

notes/tentative_dev_timeline

@@ -1,10 +1,12 @@
 X Get a kernel that can draw to screen
-  Higher half?
-  Paging
+X Higher half
+X Paging
 X Get GDT setup
 - Enter protected mode
     *THIS IS A BOOTLOADER THING. GRUB DOES THIS FOR YOU.*
-X Get interrupts working
+? Get interrupts working
+  Get IRQ1 (keyboard) working
+  Get a basic debug/rescue shell working
   Get the PIT working, especially IRQ0
       HPET can come later
   Multitasking/Scheduler (with niceness)
@@ -13,8 +15,6 @@ X Get interrupts working
   Setup a heap
   Multithreading support
   Hardware abstraction layer
-  Get IRQ1 (keyboard) working
-  Get a basic debug/rescue shell working
   Get IRQ8 and IRQ14 working
   Get a hard drive driver working (with UNIX/MINIX-esque file system driver)
   Get the basic init system set up