CREDITS.txt in rufus-scheduler-3.1.8 vs CREDITS.txt in rufus-scheduler-3.1.9

@@ -2,9 +2,10 @@
 = CREDITS.txt
 
 
 == Contributors
 
+- Calinoiu Alexandru Nicolae (https://github.com/alexandru-calinoiu) CronLine#prev_second fix
 - Alyssa Pohahau (https://github.com/alyssa) out of DST transition specs
 - Claude Vessaz (https://github.com/claudeatsafe) ack #unscheduled_at in #scheduled?
 - 김성식 (https://github.com/kssminus) job id uniqueness effort
 - Jesse Willet (https://github.com/jhw-at-prosperworks-com) cron vs "*/10"
 - Pascal Ouellet (https://github.com/pouellet) Scheduler#timeline loop fix