* use local pool allocator

* detach extract feat from local allocator

* fix test

* release python

* fix twine upload only push tags, fix linux bdist_wheel so path error

* fix long_description_content_type

* remove log print

* set cibuildwheel version 1.6.3

* add pyproject.toml

* set release python only on push tag

* add ci build python 2.7

* remove python2.7; update readme.md

Co-authored-by: Cai Shanli <caishanli25@gmail.com>

add test mat, blob and paramdict
fix README.md build
print mat'data in python