nblR 0.0.4

First release:

nbl_results() to get match results since 1979
nbl_shots() shooting location since 2015-2016 season
nbl_pbp() play-by-play data since 2015-2016 season
nbl_box_team() team box score data since 2015-2016 season
nbl_box_player() player box score data since 2015-2016 season