Changed 4.0 to 4.1, revised header file installation instructions to do a cp -p -R.
Changed 4.0 to 4.1, revised header file installation instructions to
do a cp -p -R.


kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom