added internal_id_gene_rescore()
added internal_id_gene_rescore()

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