0.5.2:
	* configure options widget
	* improved and optimized package list parser
	* spec to slack-desc parser
	* many ui improvements (main window, auth, progress window, more package icons)
	* progress window now uses GtkTextView
	* fixed several gpt-build bugs
	* fixed the auth window hanging bug
	* fixed progress window segfault due to duplicate callbacks.

0.5.1:
	* rewritten packages list (now with icons)
	* search package names on Ctrl+F (a la GtkFileChooser)
	* minor improvements and bug fixes

0.4.3:
	* about dialog
	* ui improvements
	* save last selected optimization settings to GConf registry
	* improve package list (re)loading
	* clear patch list in new build options windows
	
0.4.2:
	* remember window states for install and remove progress
	* ask for root password. Giving root password allows you
	  install/uninstall packages as non-root
	* several bugs fixed
	
0.4.1:
	* gnome-pkgtool now should be run as root, otherwise
	  package installing/uninstalling functionality is disabled
	* gpt-build script fixes
	* remember window sizes
	* some memory leaks fixed
