allow more than one digit in the auto-increment
allow more than one digit in the auto-increment

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