Throw out $min_start, $max_end calculation and reformat fetch_all_by_Slice().
Throw out $min_start, $max_end calculation and reformat
fetch_all_by_Slice().

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