fetch_all_by_biotype as in GeneAdaptor, which implies the inclusion of method biotype_contraint Added method count_all_by_biotype as in GeneAdaptor.
fetch_all_by_biotype as in GeneAdaptor, which implies the inclusion of method biotype_contraint
Added method count_all_by_biotype as in GeneAdaptor.

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