* signing prefix added
* Minor improvement
* Tests changed
* Successfully tested
* Minor improvements
* Minor improvements
* Revert "Dangling commas are now required. (#1359)"
This reverts commit a6889776f4.
* updates
* fixes #1404
* approve failing test
* suggested changes done
* ISafeERC20 removed
* allowance methods in library
* Improved SafeERC20 tests.
* Fixed test coverage.