GetArtist scrap the artist information.

GetArtistURLs returns a list with the urls of the authors in that art movement.

GetArtMovement scrap all the artist an paintings from an art movement and insert it on the database.

GetArtMovementURLs returns a list with the URLs of the art art movements of wikiart.

GetImage returns the location and size of the downloaded painting image.

GetPainting obtain information of the painting URL passed as argument.

GetPaintingsURLs returns a list with the URLs of the paintings of wikiart.