- Slightly faster conversion of integer strings (>= 2^64) into numbers.
- Slightly faster conversion of integer strings (>= 2^64) into numbers.

`Num("ddd...ddd")` is now faster than `Num("ddd...ddde0")`, where previosuly the performance was the same.

trizen/sidef,trizen/sidef,trizen/sidef,trizen/sidef