brickset                R package to interface with the Brickset API
                        for getting data about LEGO.
checkKey                Check the Brickset API key.
checkUserHash           Check the Brickset API key.
getInstructions         Download list of instructions for given set.
getKeyUsageStats        Get information about frequency of API usage
                        for the given API key.
getReviews              Downloads reviews for a LEGO set.
getSets                 Downloads LEGO data from Brickset.
getSubthemes            Returns a table of sub-themes for a given theme
                        with number of sets and years active.
getThemes               Returns a table of themes with number of sets
                        and years active.
getUserHash             Returns the user hash from Brickset.
getYears                Get a list of years for a given theme, with the
                        total number of sets in each.
legosets                Lego sets from 1970 through 2022.
login                   Login to the Brickset API.
