Added switch to catch genes with no orthologues, so get 'nogenetree' component instead of empty tree components
Added switch to catch genes with no orthologues, so get 'nogenetree' component instead of empty tree components

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode