CREDITS.txt in rufus-scheduler-2.0.8 vs CREDITS.txt in rufus-scheduler-2.0.9

@@ -2,18 +2,20 @@
 = CREDITS.txt
 
 
 == Contributors
 
+- concept47 (https://github.com/concept47) every and :discard_past
 - Chris Kampemeier (http://github.com/chrisk) rspec 2.0 refinements
 - Tanzeeb Khalili (http://github.com/tanzeeb) cron and timezones
 - Adam Davies (http://github.com/adz), @allow_overlap = false
 - Klaas Jan Wierenga, at/every/in stress tests (1.0 and 2.0)
 - TobyH (http://github.com/tobyh), faster and cleaner CronLine#next_time
 
 
 == Feedback
 
+- Defusal - unschedule_by_tag
 - pickerel - https://github.com/pickerel
 - Gonzalo Suarez - parse_time_string(s) issue
 - Tony Day - http://github.com/tonyday - every and overlapping timeout issue
 - Nate Wiger (Schedulable call/trigger issue)
 - Aldric (readme errors)