This program reverses the lines in a file.
Enter input file: WitchesBrew.txt
Fire burn and cauldron bubble.
Double, double, toil and trouble;
Like a hell-broth boil and bubble.
For a charm of powerful trouble,  
Lizard's leg and howlet's wing,
Adder's fork and blind-worm's sting,
Wool of bat and tongue of dog,
Eye of newt and toe of frog,
In the cauldron boil and bake;
