Pyarmor

* Fix issue: `__file__` is not really path in main code of module when import obfuscated module

* Replace option `--disable-restrict-mode` with `--no-restrict` in command `obfuscate`
* Add option `--title` in command `config`
* Change the output path of entry scripts when entry scripts belong to package
* Refine document `user-guide.md` and `mechanism.md`

* Add option `--type` for command `init`
* Refine document `user-guide.md` and `mechanism.md`

In v3.9.0, introduce a new way `auto-wrap` to protect python code when it's imported by outer scripts.

Refer to [Mechanism Without Restrict Mode](src/mechanism.mdmechanism-without-restrict-mode)

* Add new mode `wrap` for `--obf-code-mode`
* Remove `func.__refcalls__` in `__wraparmor__`
* Add new project attribute `is_package`
* Add option `--is-package` in command `config`
* Add option `--disable-restrict-mode` in command `obfuscate`
* Reset `build_time` when project configuration is changed
* Change output path when `is_package` is set in command `build`
* Change default value of project when find `__init__.py` in comand `init`
* Project attribute `entry` supports absolute path

* Fix shared code object issue in `__wraparmor__`

* Clear frame as long as `tb` is not `Py_None` when call `__wraparmor__`
* Generator will not be obfuscated in `__wraparmor__`