Changed BattleNetWorker.perform method to accept any arguments.
Added BattleNetWorker jobs for guild-members, characters, race population, and class population.
Fixed issue of best_in_place select menu in Races Index view to properly display Race name without interaction.
Added Sidekiq::Web app for monitoring Sidekiq workers.
Moved all initial seed data to seeds.db.
Added CharacterError and GuildError to errors.rb.