added log() and to_string()
added log() and to_string()

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