Update to test seq method in two scenarios: slice spanning/not spanning the origin of replication.
Update to test seq method in two scenarios: slice spanning/not spanning the origin of replication.

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