added set of conditions and means to test if transfered exon has fatal status
added set of conditions and means to test if transfered exon has fatal status

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