Fix the issue that wrong tags or null returned in OAI-PMH query result
Fix the issue that wrong tags or null returned in OAI-PMH query result

zooley/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms