Copyright 2008, 2009, 2010 Kevin Ryde
This file is part of Gtk2-Ex-WidgetCursor.
Gtk2-Ex-WidgetCursor is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your option) any
later version.
Gtk2-Ex-WidgetCursor is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
Public License for more details.
You should have received a copy of the GNU General Public License along
with Gtk2-Ex-WidgetCursor.  If not, see <http://www.gnu.org/licenses/>.
Version 14, November 2010
    - an actual Glib::Object so can make from Gtk2::Builder
    - cleanup realize handler on destroy (harmless but unsightly)
Version 13, September 2010
    - fix some realize-during-busy commented out for debugging
Version 12, September 2010
    - test manifest only as an author test
Version 11, August 2010
    - tests allow for perl 5.8.3 overload.pm on widget somehow not working
Version 10, June 2010
    - use refaddr() just in case a widget overloads numizing
Version 9, December 2009
    - use 'blank-cursor' when available
Version 8, March 2009
    - restore cursor in Gtk2::SpinButton of Gtk 2.14
Version 7, December 2008
    - workaround for emission hook before any widgets with gtk2-perl 1.160
Version 6, August 2008
    - restore cursor on Gtk2::SpinButton, improve Gtk2::TextView
Version 5, July 2008
    - fix weakening so garbage collection actually works
Version 4, June 2008
    - fix for unrealized Gtk2::Entry
Version 3, June 2008
    - let test suite cope with single-display gdk backends, as
      reported by Jamie Lahowetz
Version 2, May 2008
    - use GtkButton private subwindow
    - notice new toplevels during busy
Version 1, April 2008
    - the first version