Updated version API to 55
Updated version API to 55

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