changed car color property to obtain RGB integers, created validators to close #52 and close #53 and close #54 and close #14, introduced OptionallyValidatable protocol to close #57, restructured and generalised RequestBody implementation to support both required and optional parameters
changed car color property to obtain RGB integers, created validators to close #52 and close #53 and close #54 and close #14, introduced OptionallyValidatable protocol to close #57, restructured and generalised RequestBody implementation to support both required and optional parameters