* More fixes for safely deleting widgets in Qt backend Pyface
* Adding support for new TreeEditor factory option 'selection_mode' to Qt backend
* A size specification for the Qt backend Wizard now sets minimum rather than maximum size
* Fix for TabularAdapter: now supports old-style python objects
* Fixed alignment issues with gridlines in Qt backend TabularEditor
* Fixed 'activated' and 'activated_row' factory options not being handled correctly
* Updated TODO
* Fixed font settings in Qt backend CodeEditor
* Fixed readonly style editor trying to perform updates
* When selected_line is not set, the first line is no longer highlighted
* Fixed Qt backend TableEditor sometimes leaving tracebacks after it has been disposed
* Cleanup and slight improvements to 'destroy_control' toolkit method
* The Qt backend TabularEditor now conforms to column width layout algorithm described in Traits_3_0_tabular_editor
* TabularEditor now comparable in performance to its counterpart in the wx backend
* Adding ImageEnumEditor to Qt backend
* Fixed Qt backend 'text' style ColorEditor not updating correctly
* Fixed ColorEditor returning a layout rather than a widget
* Updated TODO
* Adding svn:ignore for *.pyc files.
* Adding svn:ignore for *.pyc files.
* Adding svn:ignore for *.pyc files.
* Fixed bug where 'visible_when' and 'enabled_when' handlers were sometimes called after an Editor was disposed
* 'tabbed' and 'fold' style Groups in Qt backend now save their state if they have ids
* Updated TODO
* The Traits UI Demo now saves the current tab state correctly for both backends(the peculiarities of the DockWindow system are the only reason it worked for wx, as it wasn't really supposed to)
* Simple style ImageEnumEditor now supports 'cols' factory option
* Changed layout of custom style editor be row-major, as in wx
Fix rst in traits doc.
Copy-edit doc.
* Many fixes for 'simple' style ImageEnumEditor with multiple columns in Qt backend
* Fixes to Qt backend's 'pixmap_cache' helper function to increase compatiblity with the wx backend's corresponding function, 'bitmap_cache'
* Updated TODO