Big update

[Alanamosse]

• Cleaner tools
• Eng/Fra versions
• Improve helps, thks Yvan
• Spocc occ tool
  • TODO : remove taxref link and create specific tool for it.
• Rdata fix

[Alanamosse]

Thank you @bgruening for the review ! i'll fix this asap

[bgruening]

@Alanamosse thanks. Please let me know if you need a review. I guess most of the tips here can be applied to others tools as well.