phpan/phpstan clean up runs, minor update to DB\IO

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

phpstan-bootstrap.php

@@ -0,0 +1,7 @@
+<?php
+
+// Boostrap file for PHPstand
+// sets the _SERVER['HTTP_HOST'] var so we can have DB detection
+$_SERVER['HTTP_HOST'] = 'soba.tokyo.tequila.jp';
+
+// __END__