* UTF-8 support
  1. Chinese core needs UTF-8 support
  2. re-naming :
     1) read-char to read-byte
     2) write-char to write-byte
  3. no such thing as read-char anymore
     use "get-char" (* string[address, length] -- string[address, length], char *)
  4. 翻译更多的基本的英文词
     以实现 中文的 语法关键词 "字"