AGSService's `submit_score_for_play` needs to handle exceptions that don't include a response object

[clpetersonucf]

On line 97, we're checking for the response status code:

if e.response.status_code:

Which appears to be present (or at least not None) for 4xx responses but not present for 5xx responses. A general exception where e.response is None should appropriately update the play state to ERR_FAILURE, to enable AGS resubmission.