Smarty extended class is now included in checks and is fixed.
Add the lib/ folder to the composer.json autoloader block so we can use
the composer autoloader and not the one from CoreLibs
Added an autoloader load test backend file
DB\IO dbReturn method has a third parameter to set read only assoc and
not number data from the query
Install basic composer for trying out psalm
setting phpan/phpstan for basic static checking and do basic clean up on
all of the files
