DB\IO Placeholder regex fix for json queries, test data updates

Some doc typo fixes
test updates with remove of not used sub calls

DB IO Placeholder regex now checks for any JSON/JSONB operators

www/lib/CoreLibs/Template/SmartyExtend.php

@@ -185,7 +185,7 @@ class SmartyExtend extends \Smarty
 		// call basic smarty
 		// or Smarty::__construct();
 		parent::__construct();
-		// iinit lang
+		// init lang
 		$this->l10n = $l10n;
 		// parse and read, legacy stuff
 		$locale = $this->l10n->getLocaleAsArray();