REPORTED - issue EG-1864: improve LookUp performance  https://www.ebi.ac.uk/panda/jira/browse/EG-1864 1. Fixed to deal with hash keys starting with numbers (invalid XML) 2. Added unload function to remove refs to children to reduce memory usage
REPORTED - issue EG-1864: improve LookUp performance 
https://www.ebi.ac.uk/panda/jira/browse/EG-1864
1. Fixed to deal with hash keys starting with numbers (invalid XML)
2. Added unload function to remove refs to children to reduce memory
usage

danstaines/ensembl-metadata,danstaines/ensembl-metadata