mohayonao/SCScript — pull request #7 by mohayonao (2014-03-22 22:55:02+00:00)
Title: add Object#__tag__

use to detect type of data in internal

```
TAG_NOT_INITIALIZED: 0x00,
TAG_OBJ: 0x01,
TAG_INT: 0x02,
TAG_SYM: 0x03,
TAG_CHAR: 0x04,
TAG_NIL: 0x05,
TAG_FALSE: 0x06,
TAG_TRUE: 0x07,
TAG_PTR: 0x08,
TAG_FLOAT: 0x09,
TAG_STR: 0x0a,
TAG_UNUSED: 0xff,
```