Baby steps

"cat" command now displays contents of text file to the console. Needs
to be cleaned up in the future when cat-ing into files becomes a
feature.
Revert "Baby steps"

This reverts commit 9bd13b5b0ad72b21bd213a6a79067f547f0ad884.
Revert "Revert "Baby steps""

This reverts commit 19944e30968bffe15841a046e74a8c265de72198.