ENSWEB-6115 RT#467081 alignslice serialization issue.
ENSWEB-6115 RT#467081 alignslice serialization issue.

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