0.12.1

• Correct behavior of Cheerio#parents (@jugglinmike)
• Double quotes inside attributes kills HTML (@khoomeister)
• Making next({}) and prev({}) return empty object (@absentTelegraph)
• Implement $.parseHTML (@jugglinmike)
• Correct bug in jQuery.fn.closest (@jugglinmike)
• Correct behavior of $.fn.val on 'option' elements (@jugglinmike)