Fix OAI date formatting
Fix OAI date formatting

zamattiac/SHARE,CenterForOpenScience/SHARE,laurenbarker/SHARE,laurenbarker/SHARE,CenterForOpenScience/SHARE,laurenbarker/SHARE,CenterForOpenScience/SHARE,aaxelb/SHARE,aaxelb/SHARE,aaxelb/SHARE,zamattiac/SHARE,zamattiac/SHARE