rescue from all exceptions in poller
rescue from all exceptions in poller

this is needed to catch an error in rufus-scheduler that results in a stack level too deep error and freezes sidekiq-cron until sidekiq is restarted
davidtrogers/sidekiq-cron,nikolai-b/sidekiq-cron,farainc/sidekiq-cron,ondrejbartas/sidekiq-cron,Eunix/sidekiq-cron,ondrejbartas/sidekiq-cron,nikolai-b/sidekiq-cron,nhoffmann/sidekiq-cron,farainc/sidekiq-cron,Eunix/sidekiq-cron,nhoffmann/sidekiq-cron,davidtrogers/sidekiq-cron