Added

• Added support for the BASE function
• Added support for the ARABIC function
• Conditionals - Extend Support for (NOT)CONTAINSBLANKS #1278

Fixed

• Handle Error in Formula Processing Better for Xls #1267
• Handle ConditionalStyle NumberFormat When Reading Xlsx File #1296
• Fix Xlsx Writer's handling of decimal commas #1282
• Fix for issue by removing test code mistakenly left in #1328
• Fix for Xls writer wrong selected cells and active sheet #1256
• Fix active cell when freeze pane is used #1323
• Fix XLSX file loading with autofilter containing '$' #1326
• PHPDoc - Use @return $this for fluent methods #1362