Created functions for adding a year to year_table and inserting a relation between a movie and a year.
Fixed bug in www/lib/year.php function addMovieYear()

SQL query had function currval misspelled.
Now properly inserts year from www/index.php and creates relationship with relational table.
Changed how www/index.php displays movie information.

www/index.php now displays all movies with a movie_id regardless of
whether their other columns are full. Also now shows the movie year.