AddUrlSegment overload
AddUrlSegment overload

AddUrlSegment overload method to allow pass object as value so that
calling ToString() on value is not needed.

jiangzm/RestSharp,RestSharp-resurrected/RestSharp,amccarter/RestSharp,restsharp/RestSharp,cnascimento/RestSharp,mwereda/RestSharp,PKRoma/RestSharp,huoxudong125/RestSharp