Gqylpy-datastruct

1.Changed the order of data validation, now the inner data is checked first, then the outer data is checked. (For better use of joint validation, in outer layer.)
2.Fixed a possible error in validation method `set`.

1.If the value passed in is deleted and the default value is defined, the default value is used.

1.A Big upgrade, some new methods have been added, make up for a lot of shortcomings in the past.
2.Added the verification methods `ignore_if_in` and `delete_if_in`.
3.Added the optional parameter function.
4.Added the function to verify undefined data, and can control whether to verify through the parameter.
5.Improved `verify` method, error message now support serialization.
6.Placeholder optimization of blueprint keywords.
7.Many other improvements or optimizations.

1.Reset the code specification.
2.Modify the description style.

1.Improved syntax hints and presentation.
2.Fixed a error where documents were displayed on PyPi.

1.Improved syntax hints.
2.Improved document description semantics.