Improve the way we get SPIP version (#2176)
Improve the way we get SPIP version (#2176)

* Improve the way we get SPIP version

This can be checked [here](http://www.lentrepot.fr/)

* Fix a typo

AliasIO/wappalyzer,AliasIO/wappalyzer,WPO-Foundation/Wappalyzer,WPO-Foundation/Wappalyzer,WPO-Foundation/Wappalyzer