By default admin group have access to all permissions (#202)

As admin user has access to all permissions, so admin group also has the same access. so needed to check if $group_par is admin or not

application/libraries/Aauth.php

@@ -1643,6 +1643,10 @@ class Aauth {
 		// if group par is given
 		if($group_par != FALSE){
 			
+			// if group is admin group, as admin group has access to all permissions
+			if (strcasecmp($group_par, $this->config_vars['admin_group']) == 0)
+			{return TRUE;}
+
 			$subgroup_ids = $this->get_subgroups($group_par);
 			$group_par = $this->get_group_id($group_par);
 			$query = $this->aauth_db->where('perm_id', $perm_id);