added export on citation tabs
allowed for missing identifier
allowed for missing identifier
Added islandora_entities to a funciton call to avoid possible funciton duplication.
Merge pull request #3 from MorganDawe/citation_tab

Added islandora_entities to a funciton call to avoid possible funciton d...
Merge pull request #34 from ajstanley/citation_tab

added export on citation tabs