Added portable parts of ProgressBar.
"Note  This message [PBM_SETMARQUEE] requires ComCtl32.dll version 6.00 or later." blah, no more indeterminate progress bars (Windows 2000 has 5.something)
More TODOs.
Added GTK+ implementation of ProgressBar and added a ProgressBar to the test program.
Added most of the Windows implementation of ProgressBar. Now to grab the comctl32.dll stuff.
Added Windows implementation of ProgressBar and the requisite comctl32.dll code.
Updated candidates list now that ProgressBar is added.