Add safety net
Rename xxpc::gui::AbstractView to xpcc::gui::View.
Rename xpcc::gui::ViewStack to xpcc::gui::GuiViewStack
Inherit xpcc::gui::View from xpcc::AbstractView and inherit xpcc::gui::GuiViewStack from xpcc::ViewStack
Remove member display and use it from base class.
Remove shortButtonPress and use it from base class
Mark difference to xpcc::ViewStack in update()
Remove getDisplay and use it from base class
Remove members identifier, alive, shortButtonPress, isAlive, onRemove, display and use it from base class.
Typo
Remove menu_buttons.hpp and view_stack.hpp include
Remove hasChanged and use it from base class.
Rename abstract_view.hpp into view.hpp