* Timestamp period should be expressed as expected period
* Fix test
* Ensure value never illegal
* Rename
* Remove println
* Add default
* Comment
* Fix, bump and rebuild wasm
* Fix test
* Add TODOs
* Configure only minimum_period.
* Fix
* Update srml/timestamp/src/lib.rs
Co-Authored-By: gavofyork <github@gavwood.com>
* Update srml/timestamp/src/lib.rs
Co-Authored-By: gavofyork <github@gavwood.com>