* [WIP] Initial implementation
* Add mapping validation
* More documentation
* Add support for floats in checked_multiply and add tests
* Place SuffixedNumber declaration correctly
* Add tests
* Refactor SuffixedNumber
* Add as size value
* Update README
* SFINAE for checked_multiply()
* Mark ctors as explicit
* Small fixes
* Clang format
* Clang format
* Adding GCC 4.7 support
* Rename SuffixedNumber to AsNumberWithUnit