* Stab at Legendre custody construction + some tests
* Fix some problems and fix function puller to remove phase0 only lines in phase1
* Pass the linter
* Add headings
* Fix domain for BLS stub
* Change Jacobi to Legendre
* n -> q to clarify notation
* Headings
* Another missing heading
* Custody subchunks via padding
* Fix max_reveal_lateness stuff
* Better names for reveal period functions
* Better parametrization of max_reveal_lateness computation and tests for custody reveal processing
* Fix linter
* Allow challenging for one period after the custody reveal, shorter periods for minimal tests
* Fix lint
* Fix linter error