PHPOffice/PHPPowerPoint — pull request #56 by lars-feyerabend (2014-09-23 09:49:24+00:00)
Title: PHPExcel calls not compatible with namespacing

The non-namespaced PHPExcel components need to be referenced with a leading slash, otherwise the current namespace (PhpOffice\PhpPowerpoint\Writer\PowerPoint2007) will be searched first.