* examples and small fixes in pytups

* changes in tuplist and new example

* cambios en import

* remove unused lines

* new tests

* changes according to PR review

* new to_dict

* cleaned pass

* fix 3.10 compatibility

* bump version.

* add 3.10 to tests

* fixed 3.10

Co-authored-by: Hugo Larzabal <Hugo.Larzabal@baobabsoluciones.es>