open/save with Windows (native) dialog

Instead of the non-standard, non-compatible, often annoying GTK window,
this plugin shows a Windows standard/native save/open dialog.

GTK dialog has nice features, but it still annoys me very much. I'm sure that windows users, esp. beginners and power users will find this dialog useful.

Also,
I really don't like to have 2 separate menus for SAVE and EXPORT.
this script has 1 menu entry for both XCF and other types, as it used to be several years ago.

more info:
first post on gimpchat

or in readme.txt

THIS IS A BETA, and ANNOYING TO INSTALL.
TESTED ONLY ON WINDOWS (but might work elsewhere)

NOTE!
the script depends on external packages, which i cannot add here (mainly due to size constraints). see gimpchat forums, or try to add it by userselves.