Update bioperl version to 1.6.1
Update bioperl version to 1.6.1

james-monkeyshines/ensembl,Ensembl/ensembl,muffato/ensembl,danstaines/ensembl,Ensembl/ensembl,muffato/ensembl,muffato/ensembl,Ensembl/ensembl,muffato/ensembl,james-monkeyshines/ensembl,danstaines/ensembl,Ensembl/ensembl,danstaines/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl