Updated the contribute area in README. Added the multi filter query method, and adapted the setFilterQuery method for the new filter options. gh-378

admin/helpers/compiler/f_Infusion.php

@@ -818,7 +818,7 @@ class Infusion extends Interpretation
 					$this->fileContentDynamic[$name_list_code][$this->hhh
 					. 'POPULATESTATE' . $this->hhh]
 						= $this->setPopulateState(
-						$name_list_code
+						$name_single_code, $name_list_code
 					);
 
 					// SORTFIELDS <<<DYNAMIC>>>