Merge pull request #1 from julycoding/master

Merged
修复括号
1.1：左旋转字符串.php
Update 1.1：左旋转字符串.php

添加中文utf8字符串支持
Delete 1.1：左旋转字符串.php

规范代码文件的命名
Update chapter1.php

重新编写chapter1.php的代码
Update 01.02.md

修改一些描述
Update chapter2.php

上传chapter2的PHP版本实现代码
Merge pull request #292 from ChanYuLeung/patch-2

ChanYuLeung
Update 08.00.md
Update 08.00.md
Rename 08.01.md to 08.003.md
Rename 08.02.md to 08.004.md
Rename 08.05.md to 08.01.md
Rename 08.06.md to 08.02.md
Update Readme.md
Rename 08.04.md to 08.06.md
Rename 08.03.md to 08.05.md
Rename 08.003.md to 08.03.md
Rename 08.004.md to 08.04.md