Pass all the state tests in `sanity-check_small-config_32-vals` (#108)

* Make sure all tests are checked and fix an issue in slot progression

* Fix an overflow issue and flush stdout when running tests

* Add parameter to allow only running one test

* Fix epoch overflow and an issue related to effective balance

* Add test for permuted_index

* Fix a bug in beacon block index calculation

* Fix an issue in attestation inclusion

* Fix missing logic for handling deposit

* Shouldn't use wrapping