Fixed issue where passing false as a thumbnailPath resulted in index exceptions when calling Folder::slashTerm()
Fixed issue where passing false as a thumbnailPath resulted in index exceptions when calling Folder::slashTerm()

amstegraf/cakephp-upload,Phillaf/cakephp-upload,josegonzalez/cakephp-upload,ramiroaraujo/cakephp-upload,silviolleite/cakephp-upload,zynesis/cakephp-upload