v2.4.3

• add Replay.rng_seed
• add Beatmapset.current_nominations
• add User.rank_highest
• add User.nominated_beatmapset_count
• add Score.type
• add UserStatistics.global_rank_exp
• add UserStatistics.pp_exp
• add NewsListing.cursor_string
• add BeatmapsetDiscussions.beatmapsets
• add Beatmap.owner

• fix type annotations erroring on python3.8
• add Score#download convenience method