Added elm_win_activate.
Added elm_win_lower.
Added elm_win_raise.
Added elm_win_center.
Added elm_win_borderless_set.
Added elm_win_borderless_get.
Added elm_win_shaped_set.
Added elm_win_shaped_get.
Added elm_win_alpha_set.
Added elm_win_alpha_get.
Added elm_win_override_set.
Added elm_win_override_get.
Added elm_win_fullscreen_set.
Added elm_win_fullscreen_get.
Added elm_win_maximized_set.
Added elm_win_maximized_get.
Added elm_win_iconified_set.
Added elm_win_iconified_get.
Added elm_win_withdrawn_set.
Added elm_win_withdrawn_get.