add new macro for condition in macro_attr currently used in wxPickerBase
for TextCtrl attributes to avoid collide with Assert
wxPickerBase use new macro_attr_con for TextCtrl based attributes
wxColorPicker/wxDirPicker/wxFilePicker/wxFontPicker add options for
use_textctrl and small into initialize
wxItemContainer: add each_item
wxListBox: fixed string_selection, added each_selection
xCheckListBox: add each_checked