message: XML support support for non 32-bit enums
  Add width property for enums
  Treat "SDBasic::Enum in the same way as "SDBasic::UsignedInteger"
diff: @@ -201,7 +201,7 @@ static void Obj2XML(pugi::xml_node &parent, SDObject &child)
  if(child.type.basetype == SDBasic::UnsignedInteger ||
  child.type.basetype == SDBasic::SignedInteger || child.type.basetype == SDBasic::Float ||
  - child.type.basetype == SDBasic::Resource)
  + child.type.basetype == SDBasic::Resource || child.type.basetype == SDBasic::Enum)
  {
  obj.append_attribute("width") = child.type.byteSize;
  }
  @@ -490,10 +490,11 @@ static SDObject *XML2Obj(pugi::xml_node &obj)
  }
  }
  - if(ret->type.basetype == SDBasic::UnsignedInteger || ret->type.basetype == SDBasic::SignedInteger ||
  - ret->type.basetype == SDBasic::Float || ret->type.basetype == SDBasic::Resource)
  + if(ret->type.basetype == SDBasic::UnsignedInteger ||
  + ret->type.basetype == SDBasic::SignedInteger || ret->type.basetype == SDBasic::Float ||
  + ret->type.basetype == SDBasic::Resource || ret->type.basetype == SDBasic::Enum)
  {
  - ret->type.byteSize = obj.attribute("width").as_uint();
  + ret->type.byteSize = obj.attribute("width").as_uint(4);
  }
  if(obj.attribute("hidden"))
  