message: ToJson.visit_iHdlExpr add missing constants
diff: @@ -2,7 +2,7 @@ from hdlConvertor.to.hdl_ast_visitor import HdlAstVisitor
  from hdlConvertor.hdlAst._statements import HdlImport
  from hdlConvertor.hdlAst._structural import HdlLibrary
  from hdlConvertor.hdlAst._expr import HdlDirection, HdlName, HdlIntValue,\
  - HdlCall, HdlAll, HdlTypeAuto
  + HdlCall, HdlAll, HdlTypeAuto, HdlOthers, HdlTypeType
  from hdlConvertor.to.hdlUtils import is_str
  @@ -298,7 +298,10 @@ class ToJson(HdlAstVisitor):
  d = self.visit_HdlIntValue(o)
  elif isinstance(o, HdlCall):
  d = self.visit_HdlCall(o)
  - elif o is HdlAll or o is HdlTypeAuto:
  + elif o is HdlAll or\
  + o is HdlTypeAuto or\
  + o is HdlOthers or\
  + o is HdlTypeType:
  d = {
  "__class__": o.__class__.__name__,
  }
  