
move back from alphabet to moltype are we are stil working with bioperl 0.7

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