DIRECTORIES

Some issues though, I still didn't *need* to use the 'path' module,
because I'm running the verification in the same directory...

However, the actual problem with this one is that the verification of
file.html expects 2 space indentation, whereas the earlier index.html
had 4 spaces and even the example file.html is indented with 4 spaces
DIRECTORIES (with 'path' safety!)