Added support for French language

Added support for French language, thanks to Stefan Gaftoniuc! I encourage you to add your mother tongue!
Contributions are welcome. Be mindful of our Contribution Rules to increase the likelihood of your contribution getting accepted.

Added localization support

Added localization support; the strings are declared in English and Romanian, for now. I encourage you to add your mother tongue!

genUp4win v2.0

Added UI callback function

genUp4win v1.0

Initial release :)