* Add support for tuples in `OnNewAccount` hook
* Bump impl version
* Use `for_each_tuple` with `OnNewAccount` hook
* Update `OnFreeBalanceZero` to also use `for_each_tuple`
* Fix spelling/typo
* Bump spec again
* Update srml/support/src/traits.rs
Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>
* Update srml/system/src/lib.rs
Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>