Gqylpy-exception

1.Added an attribute `msg` in the exception object, make it easier for developers to get exception information.
2.The `Retry` function now supports display cycle.

1.Improved a warning statement, more reasonable warning category.
2.Rollback the first change in version 1.2, because it doesn't work properly in earlier versions of Python.
3.Modify the description style.

1.Fixed an error in the meaning of a parameter annotation.
2.Improved the semantics of a function description.

1.Modified the way parameters are received, and improved parameter type annotations.
2.Some special modules may attempt to call non-built-in magic method, already compatible in this version.
3.Improved the solution to the "the created exception class may have the same name as the built-in exception class" problem in the previous release.

1.Fixed a serious problem，the created exception class may have the same name as the built-in exception class.
2.Reset the code specification, annotations look clearer now.

Fixed several errors in the code annotation file.