Added "revision" to version info. This is now BT/OS Version 0.0A.

Author: mallardtheduck

src/kernel/kernel.hpp

@@ -53,7 +53,8 @@ void gdt_set_kernel_stack(void* ptr);
 
 #define KERNEL_VERSION_MAJOR 0
 #define KERNEL_VERSION_MINOR 0
-#define KERNEL_VERSION_STRING "v0.0"
+#define KERNEL_REVISION "A"
+#define KERNEL_VERSION_STRING "v0.0" KERNEL_REVISION
 #define KERNEL_OS_NAME "BT/OS"
 #define KERNEL_COPYRIGHT "(c) 2014 Stuart Brockman"
 extern char *kernel_buildid;