Updated Movie class to set and get movie details and poster path.
Details are store in a dictionary using the names tmdbId, title,
releaseDate, genre, and cast for the associated values.
Updated MovieList class to set and get movies to the list
Updated MovieSearch class to query themoviedb.org for IDs and details
for movies. Details retained are id, title, release date, genres, cast,
and poster path. Poster images are retrieved and returned to the caller.
Updated MovieWrite class to write movie details to CSV or SQL files. SQL
file is formatted to insert statements. CSV file is delimited for
spreadsheet import.
Updated MovieDriver class to read, query, write movie titles.