1.0.0-rc1: Upgrade to v1.0.0 (#64)

* Remove incomplete comments

* Fix dirname errors when getting the script directory

Also, it’d be nice to load this function from a common file, but to locate that file robustly we’d need the scripts directory in the first place :)

* Reword comments

* Fix typos

* Rewrite documentation

* Replace fixture-generating scripts, starting now from cell groups

* Apply suggestions from PR

* Guarantee that at least one cell of Not available cell type is included

* Require argument of the selected K in each experiment, as some tests are precisely about this feature

* Update automatic tests service from Travis to GH Actions

* Address clarity issues in README after PR review

* Address clarity issues in fixtures README after PR review

* few README edits

* Fix typo in script

* Fix typo in comment

Co-authored-by: Pedro Madrigal <[email protected]>