message: python: emit "string" => "std::string"
diff: @@ -201,7 +201,8 @@ simple_argtype_mapping = {
  "int": ArgTypeInfo("int", FormatStrings.int, "0", True),
  "float": ArgTypeInfo("float", FormatStrings.float, "0.f", True),
  "double": ArgTypeInfo("double", FormatStrings.double, "0", True),
  - "c_string": ArgTypeInfo("char*", FormatStrings.string, '(char*)""')
  + "c_string": ArgTypeInfo("char*", FormatStrings.string, '(char*)""'),
  + "string": ArgTypeInfo("std::string", FormatStrings.object, None, True),
  }
  