* #4 Added `From` trait
This adds the `from()` and `tryFrom()` methods to pure enums, and the `fromName()` and `tryFromName()` methods for all enum types.
* Code review changes
Dropped support for fragile indexes on pure enums
* Dropped unnecessary array_pop()
* import ValueError
* remove import
Co-authored-by: Samuel Štancl <samuel@archte.ch>
Co-authored-by: Samuel Štancl <samuel.stancl@gmail.com>
