getEvent() -- fixed NullPointerException when called on a newly created exam
getEvent() -- fixed NullPointerException when called on a newly created exam

nikeshmhr/unitime,zuzanamullerova/unitime,UniTime/unitime,rafati/unitime,zuzanamullerova/unitime,sktoo/timetabling-system-,sktoo/timetabling-system-,UniTime/unitime,maciej-zygmunt/unitime,rafati/unitime,rafati/unitime,nikeshmhr/unitime,zuzanamullerova/unitime,nikeshmhr/unitime,sktoo/timetabling-system-,UniTime/unitime,maciej-zygmunt/unitime,maciej-zygmunt/unitime