CHANGELOG.txt in rufus-scheduler-2.0.20 vs CHANGELOG.txt in rufus-scheduler-2.0.21

@@ -1,8 +1,13 @@
 
 = rufus-scheduler CHANGELOG.txt
 
 
+== rufus-scheduler - 2.0.21    released 2013/07/15
+
+- add license (MIT) to gemspec file
+
+
 == rufus-scheduler - 2.0.20    released 2013/07/15
 
 - add Rufus::Scheduler.new (so that rs 3.0 quickstarts are OK with 2.0.20)
 - implement CronLine#previous_time(now=Time.now) (Idea Matteo Cerutti)
 - throw ArgumentError for invalid cron lines (Thanks Aimee Rose)