* Bump version to 0.9.0.
* Remove irrelevant comment.
* Update copyright, readme.
* Update tests.
* Drop python 3.8 support.
* Refactor and finish the parser implementation (9)
* feat: refactor and finish the parser implementation
* Complete SPS, PPS implementation
* Factorize and complete slice parsing in CodedSlice class
* Move verbose support in the main process
* add option --verbose-types to display only some NALU types
* feat: add set_allcallbacks helper function
* Add set_allcallbacks helper function to set all callbacks in one go
* Change the order of callback arguments to have the nalu first
* Fix a typo in h26x_parser.py
* test: update test.py
* docs(README): update README
* Update README.
* [feat] add parse VUI in SPS for h264 (8)