Check SQL string id params are UUIDs

[JamesGardiner]

Current implementation does not check for string compliance against RFC 4122 - A Postgres UUID error is thrown if a GET request against and ID field is performed with a string that does not fulfil this requirement. In these cases a 400 should be returned with details of the error.

[davidmort]

survey service doesn't check if a request id is a valid UUID before query to postgress