Make children() and parents() take a list of strings representing the relationship types to consider, e.g. qw(is_a part_of).
Make children() and parents() take a list of strings representing the
relationship types to consider, e.g. qw(is_a part_of).

james-monkeyshines/ensembl,willmclaren/ensembl,danstaines/ensembl,muffato/ensembl,mjg17/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,muffato/ensembl,at7/ensembl,willmclaren/ensembl,james-monkeyshines/ensembl,at7/ensembl,at7/ensembl,muffato/ensembl,Ensembl/ensembl,at7/ensembl,mjg17/ensembl,Ensembl/ensembl,muffato/ensembl,danstaines/ensembl,mjg17/ensembl,Ensembl/ensembl,danstaines/ensembl,james-monkeyshines/ensembl,mjg17/ensembl