Now compares by xref and my ensembl ID, and dumps those mapped by old/new method only to files.
Now compares by xref and my ensembl ID, and dumps those mapped by old/new method only to files.

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