Adding a no_append mode and adding better documentation as it had no relation to the args
Adding a no_append mode and adding better documentation as it had no relation to the args

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