split is rendered moot by the plugin system: when enabled, binaries do
not link directly with libX11 or libGL. I hope this is a step towards
more consisteny and clarity.

* Implement strchr() in kernel.c.
  * Check for snprintf() at configure time.

kernel code.

remove redundencies in the Doxygen documentation.

* Print a small message at kernel boot time just to check that the kernel
    was properly loaded.

as multiboot kernels.