1.5.1
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Bug fixes:

	- Menu item groups did not work.
	
	- Mac: Labels were not updated properly on changing the text property.
	
	- Mac: Setup script failed when Pyrex was not available.

New examples:

	- Tests/08-menu.py now includes an example of using a menu item group.

1.5
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New features:

	- OpenGL view component added.


1.4
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New features:

	- Image class for loading and drawing RGB images.
	
	- Pixmap class for offscreen drawing.
	
	- Containers now have a shrink_wrap() method to facilitate
	  bottom-up component layout strategies. See class Frame.

Bug fixes:

	- Access to 'text' property of TextField in password mode didn't work.
	
	- TextField not refreshed properly when 'text' property changed.
	
	- Distutils script did not install subdirectories of the GUI package.

API changes:

	- 'password' property of TextField is now initialize-only.
