set API_VERSION to 59 ready for staging and next release
set API_VERSION to 59 ready for staging and next release

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