2. corrected a bug which disabled all accels for MSW (sic)
3. added SetValue/GetValue to wxSpinCtrl
4. modified wxGetNumberFromUser to use wxSpinCtrl
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4234 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775