The initial state comes from https://launchpad.net/usb-imagewriter
The modifications are:

IsoDumper 0.30
------------
	  - added function to format the device in Fat32, ntfs or ext4.
	  - separated backup from writing.

IsoDumper 0.22
------------
	  - changed a window to a dialog form.
	  - added default values for the backup name and directory.

IsoDumper 0.21
------------
	  - added an "About isodumper" window "GtkAboutDialog".
	  - Integration of find_devices in the main file.
	  - fix of the behaviour of windows, not closing the application after escape from the confirmation dialog.
	  - fix transmission of the user name to write the log file at the good place.
	  - update all translations for new changes.

IsoDumper 0.20
------------
	  - added function to backup the content of the device before overwriting.
	  - added Release number in the window title (on isodumper.py).
	  - use mageia polkit policy instead of usermode. (Thanks to Colin Guthrie)
	  - replace all windows icons to icon isodumper.
	  - added and update Makefile for polkit file translation. (Thanks to Yuri Chornoivan)
	  - improvement po-update.sh script for translations (extract or merge polkit and desktop files translations).
	  - fix an error space on a translation string (#: lib/isodumper.py:270)
	  - added and update Estonian, Danish, Czech, Greek and English (United Kingdom) translations.
	  - updated  de,fr,id,ro,sl,sv,zh_TW,tr,uk,pt_BR,ru,ro,es,it and pl translations.

IsoDumper 0.13
------------
	  - added and update Polish and German translations.
	  - updated Dutch and Italian translations.
	  - added a Makefile file for build package.
	  - added a pixmaps icons.
	  - usermode-consoleonly is not a BuildRequires, but it is a Requires package.
	  - improvement po-update.sh script for translations.
	  - added Release number in the window title.

IsoDumper 0.12
------------
	  - Correction of bugs in the device name and in the dialog box loops
	  - Added a catch of writing error

IsoDumper 0.11
------------
	  - added check for the size of the destination device.
	  - added a button to retry in the no_device dialog box.
	  - added a dialog box for devices with a size of 32 GB and more.
	  - added and update Swedish, Chinese, Brazilian Portuguese, Indonesian and Romanian translations.
	  - updated Ukrainian, Russian, Slovenian, Spanish, Turkish Translations.

IsoDumper 0.10
------------
	  - added and update Russian, Ukrainian, Spanish, Dutch, Italian, Turkish and Slovenian translations
	  - update French translation
	  - added ru, uk, es, nl, it, tr and sl comment in .desktop file
	  - added po-update.sh and po-compile.sh files for translations (see i18n.md for more details)


IsoDumper 0.1
------------
	  - changing the name into isodumper
	  - replaced the dd command with direct writing command python.
	  - progressbar is functionnal.
	  - replaced the banner (header.png) with an Mageia's header.
	  - added .iso filter.
	  - added writing ~/.isodumper/isodumper.log at the end.
	  - writing progression in details only each 1%.
	  - point at the end of the logview window.
	  - indicating the name of the log file.
	  - new feature : the application doesn't close when a stick is inserted after the start and a dialog box which is displayed to say it.