fix kotlin without tag bug

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update readme

1.add support for global tag
2.bug fixed:can't link line when in the inner class
3.update simple code

2.update the version to 1.4.0

Revert "添加针对JsonString长度的判断，当长度大于12000时，循环逐行打印，小于12000时，直接打印"

添加针对JsonString长度的判断，当长度大于12000时，循环逐行打印，小于12000时，直接打印

support string params in i/d/w/e/a methods