v0.3.0

rework...

It used to not work at all; also added support for float using double
encoding, and nested tuple support, with one test that wants to be
comprehensive that pass green in sourcehut build service with pypy
3.7, 3.8 and stable cpython 3.7+

move to Apachev2, README+, poetry ftw

add supported for list and tuple

initial version

Initial commit