-improved file handling - file is always closed on error
-improved file handling - file is always closed on error

ggalibert/imos-toolbox,tectronics/imos-toolbox,ggalibert/imos-toolbox,ggalibert/imos-toolbox,tectronics/imos-toolbox,ggalibert/imos-toolbox,tectronics/imos-toolbox,ggalibert/imos-toolbox,tectronics/imos-toolbox