Merging postreleasefix/97 to master
Merging postreleasefix/97 to master

* postreleasefix/97:
  ENSWEB-4869: better sanity check, just retun function if object is empty

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