Replace current ECMA-376 (SSF.js) library by a another with localization capabilities

[juanparati]

Is your feature request related to a problem? Please describe.
Currently is possible to change basic locale settings, like translations, however it doesn't allow change format settings like decimal separators or thousand separators.

Describe the solution you'd like
Replace the current SSF.js by a well maintained library like numfmt. The proposed library has support for multiple localization including Chinese (simplified and traditional), Spanish and English among others.

Describe alternatives you've considered
As an alternative is modify the current SSF.js library in order to inject custom localization parameters to the numeral library.