[UP] Code Improve. (1 Of 4)
[UP] Update README.md
[UP] Code Improve. (2 Of 4)
[UP] Code Improve. (3 Of 4)

Wait for the refatoring of Parser. I will continue improving the code.
[UP] Code Improve. (4 Of 4)
[UP] Change 'TextReaderPosition' to 'Structure'.

By the way, I found that there's something wrong. It was fixed.
Merge pull request #2 from jhk001/master

[ME] Improve Code. Not debug yet.