0.13:
- fixed tree chopping bug where trees would stay up after completion
- added "heart beat" system that avoids not responding on load
(may still have this pop up for a short time between menu and scene transition if you're clicking off the window/hitting alt tab)
- fixed flag bug that would cause buildings to not load
- fixed equipment bug showing tainted crown (lich) as massive
- fixed script timing causing null errors after reusing units