6 string references to 'PHPExcel_ReferenceHelper' in Loft Data Grids 6.2

PHPExcel_ReferenceHelper::_adjustDataValidations in vendor/phpoffice/phpexcel/Classes/PHPExcel/ReferenceHelper.php

* Update data validations when inserting/deleting rows/columns * *

PHPExcel_ReferenceHelper::_adjustHyperlinks in vendor/phpoffice/phpexcel/Classes/PHPExcel/ReferenceHelper.php

* Update hyperlinks when inserting/deleting rows/columns * *

PHPExcel_ReferenceHelper::_adjustPageBreaks in vendor/phpoffice/phpexcel/Classes/PHPExcel/ReferenceHelper.php

* Update page breaks when inserting/deleting rows/columns * *

PHPExcel_ReferenceHelper::_adjustProtectedCells in vendor/phpoffice/phpexcel/Classes/PHPExcel/ReferenceHelper.php

* Update protected cells when inserting/deleting rows/columns * *

ReferenceHelperTest::testColumnReverseSort in vendor/phpoffice/phpexcel/unitTests/Classes/PHPExcel/ReferenceHelperTest.php

ReferenceHelperTest::testColumnSort in vendor/phpoffice/phpexcel/unitTests/Classes/PHPExcel/ReferenceHelperTest.php