* Check for unused deps in CI * Bump slashing protection parking_lot version
* Improve bls::SecretKey privacy * Add missed file * Remove more methods from bls::SecretKey * Add as_bytes() to SecretKey, remove as_raw * Remove as_raw * Add back as_raw * Address review comments
* Move tests -> testing * Directory restructure * Update Cargo.toml during restructure * Update Makefile during restructure * Fix arbitrary path