Testing recommendations:

run 05_test_hw7.sql

go to the web app, login using 'charlie', 'charliepass'
go to the recommendations page
the output should be (popularity is not required to be printed):
 mtitle  | popularity 
---------+------------
 Dracula |          2
 Batman  |          2
 Rambo   |          1
(3 rows)

OR, if ordering by ascending mtitle:

 mtitle  
---------
 Batman
 Dracula
 Rambo
(3 rows)
