for now lets delete them all and updated them

[todo]

canvas-sdk-php/src/Traits/FileSystemModelTrait.php

Lines 153 to 158 in e89bbcb

	* @todo for now lets delete them all and updated them
	* look for a better solution later, this can since we are not using transactions
	*/
	$this->deleteFiles();
	$this->uploadedFiles = $data['files'];

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This issue was generated by todo based on a todo comment in e89bbcb when #24 was merged. cc @bakaphp.