• Removed PostgreSQL migrations older than 2 years, that means you need to have Minion version 7.01 or newer installed
  before you can upgrade to version 10.0.
  
• Removed experimental status from result_p method in Minion.
  
• Removed experimental status from history method in Minion and Minion::Backend::Pg.
  
• Removed experimental status from delayed_jobs and enqueued_jobs fields from stats methods in Minion and
  Minion::Backend::Pg.
  
• Removed experimental status from cleanup and finish events in Minion::Job.
  
• Changed reset method in Minion and Minion::Backend::Pg to require options for what to reset.
  
• Improved reset method in Minion and Minion::Backend::Pg to allow for locks to be reset without resetting the whole
  queue.
  
• Improved performance by making the minion_workers table unlogged.