Looks cool. My advice to the authors is to take care on the little things. For example, the compiler segfaults if there is no input and there is no message if

Looks cool. My advice to the authors is to take care on the little things. For example, the compiler segfaults if there is no input and there is no message if RITCHIE_HOME isn't set. Fixing those things early will increase the feeling of polish and will probably help keep quality high to the very end.