Update Meteo+TC.py

More choices in 'setting' section:
* Added iso time format for datafile (optional)
* file extension choice (txt/csv)
other minor adjustements
Revert "Update Meteo+TC.py"

This reverts commit 68392133406fad7785c228a3b1ab123637cfbcb3.
Added error handling update
Merge branch 'master' of https://github.com/SebastienCaillat/Yoctopuce-Meteo-Temperature