cache JSON deserialization so it can be reused in other handlers Previously if there were multiple `responseJSON` handlers in a service task chain, the response body would be deserialized for each `responseJSON` call. This allows multiple calls to reuse the same deserialized payload.
cache JSON deserialization so it can be reused in other handlers
Previously if there were multiple `responseJSON` handlers in a service
task chain, the response body would be deserialized for each `responseJSON`
call. This allows multiple calls to reuse the same deserialized payload.

TheHolyGrail/Swallow,Electrode-iOS/ELWebService,Electrode-iOS/ELWebService