Tidy up event handling
Use Choice instead of read-only ComboBox
Simplify/fix code
Remove debug print
Update copyright dates
Use the default size for many controls
Improve coding style
Remove underscore from public methods
Simplify code
Get_relative_month_time
Rename time to timectrls + some improvements/cleanup
Accommodate wider wx.SpinCtrl arrows in some GTK themes
Let specify how deep the Layout should be
Allow setting the selection
Simplify code, wx.CheckBox accepts a label
Use xrange instead of range in loops