Added strands_reversed method that 0 or 1. 0 if the strand and hstrand are those originally obtained by the alignment program, 1 other wise
Added strands_reversed method that 0 or 1. 0 if the strand and hstrand are those originally obtained by the alignment program, 1 other wise

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