Upgrade to v26 (#172)

* A bunch of new updates from icehrm pro

* Push changes to frontend

core/src/Classes/Data/DataReader.php

@@ -0,0 +1,29 @@
+<?php
+namespace Classes\Data;
+
+use Classes\Data\Query\DataQuery;
+
+class DataReader
+{
+    public static function getData(DataQuery $query)
+    {
+        $table = $query->getTable();
+
+        $sLimit = " LIMIT " . intval($query->getStartPage()) . ", " . intval($query->getLength());
+
+        $sortData = $query->getSortingData();
+        $data = \Classes\BaseService::getInstance()->getData(
+            $table,
+            $query->getFieldMapping(),
+            json_encode($query->getFilters()),
+            $query->getOrderBy(),
+            $sLimit,
+            json_encode($query->getColumns()),
+            $query->getSearchTerm(),
+            $query->isIsSubOrdinates(),
+            $query->isSkipProfileRestriction(),
+            $sortData
+        );
+        return $data;
+    }
+}