* Fetches the class info for a course id as close to the desired year as * possible * * If no year is requested, we pull the class info from the most recent year * the class was in the catalog; if a year is requested, then we pull from * the closest year as possible for which catalog info exists. * * We also query the exceptions table, where courses can be copied and * modi
($class, $year=false)
source not stored for this graph (policy: none)