APOLLO-4484 Added accesors to allow the data we require to be returned to the api as boolean|null
Added docblock and made final part of if statement a default
Merge pull request #144 from ministryofjustice/APOLLO-4484_Return_As_Boolean

APOLLO-4484 Added accesors to allow the data we require to be returned t...
Merge conflicts resolved
Fixed tests flagging up as invalid