- Removed the 'L' in the format strings, so the C locale is used.
- Added `1 + digits` to the `fieldWidth`, as this actually includes the
decimal point and the digits after it.
* separator can cause issue when sending data (WebService, FSD)
* re-parsing (print and parse again) can cause to undesired results as the separator is mistaken as decimal separator with a different locale
* separator now a parameter so it can still be used