Fixed errors, passed tests
Fixed a few errors. Adding movie without title duplicate
Added find_all_movies_by_pixar
Added find_all_movies_by_pixar_or_disney
Added find_all_movies_not_published_by_pixar
Addded find_all_movies_published_after_2004
Added find_all_movies_between_1982_and_2003 and removed Up from test
WIP homework code
Merge pull request #1 from mokhan/master

Fix tests