ets-berkeley-edu/calcentral — pull request #1896 by anair13 (2013-12-10 21:33:05+00:00)
Title: CLC-2549 CCNs appearing as four-digit numbers

https://jira.media.berkeley.edu/jira/browse/CLC-2549

Change converts CCNs to length five in the backend. Textbook integration still works, CCNs show up on the website as 5 digit numbers.