publics/json-iterator

Ivan Romanov aba8654400 fix nil attachment on stream in custom encoder on sorted map		%!s(int64=5) %!d(string=hai) anos
..
decoder_test.go	aba8654400 fix nil attachment on stream in custom encoder on sorted map	%!s(int64=5) %!d(string=hai) anos
extension_test.go	ca39e5af3e suport encode map[interface{}]interface{}	%!s(int64=6) %!d(string=hai) anos