Don't output value in file_widget because it is an object
Don't output value in file_widget because it is an object

Closes #279

braincrafted/bootstrap-bundle,braincrafted/bootstrap-bundle,braincrafted/bootstrap-bundle,lashus/bootstrap-bundle,lashus/bootstrap-bundle,lashus/bootstrap-bundle,althaus/bootstrap-bundle,bigfoot90/bootstrap-bundle,bigfoot90/bootstrap-bundle,althaus/bootstrap-bundle,althaus/bootstrap-bundle,bigfoot90/bootstrap-bundle