3.0.0

4 new options:
  -H, --highest-rated: print highest rated episodes of series
  -L, --lowest-rated: print lowest rated episodes of series
  -l, --last: print most recently aired episode
  -n, --next: print next upcoming episode
use traditional brace style
make accessing elements from series structure easier
be able to tell if an episode has aired yet or not
calculate average rating for entire seasons
calculate average rating for entire series
handle html entity refs a little better
fix parsing of search page
distinct exit status codes