No README file = no partial credit for unfinished labs. If you cannot
get your output correct please tell the TAs what you think you have done
correctly and what you think you have not done correctly. You can get
partial credit for insertion sort calling the inspect_page command on
your page buffers to show that the entries in each page are sorted in
alphabetical order.

--- correct output                            : up to -50
--- insertion sort			      : up to -20 

code style:
--- hard coding constants		      : up to -5
--- commenting				      : up to -10
--- failure to clean up memory using delete   : up to -5
--- code organization and clarity	      : up to -15