Just slightly cleaned up _sort().
Just slightly cleaned up _sort().

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