* SQL: changed init session table so it will work on MSSQL Databases

* SQL: changed rowCount by count of fetchAll
rowCount does not always returns number of rows on SELECT queries, i.e. MSSQL returns -1

PSR-12 compliancy

As commented in #1155 1155

A dot or a comma is quite a difference!

This includes instructions on how to use SimpleSAMLphp with the PHP session backend while you are using it too in your application, also with a custom session handler.

source text does not need to go through internationalization as it is already handled by the text specified in the authsources file.

* Ensure getConfig* functions can only return Configuration

* Cleanup after #1189

* Deprecate Configuration::getConfigList

Fix typo

correct exampleauth namespace name

This allows us to default to the error log, while also not breaking SSP completely. If we cannot initialize the logging handler, then we resort to the web servers log and log a critical error.

This resolves #1194