3.18.0

Included commits: 3.17.0...3.18.0

Adjustments

• Added Propel module version dependency.

Fixes

• Fixed UrlFacade::hasUrlOrRedirectedUrlCaseInsensitive(), UrlFacade::hasUrlCaseInsensitive(), UrlFacade::findUrlCaseInsensitive() to not disable propel ignoreCase if DB collation is case insensitive and to use SQL index when SELECT by url.