Changed to work with KaryotypeBand's - karyotype_band call is now fetch_karyotype_band and it returns a karyotypeband obj rather than the scalar band
Changed to work with KaryotypeBand's - karyotype_band call is now fetch_karyotype_band and it returns a karyotypeband obj rather than the scalar band

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