##VERSIONS:
1.0.4	- factorio 0.14 compatible
1.0.3	- introduces empty/partially filled/full wagons with green/yellow/red colors.
		- takes into account a possible hashbar.
		- adapt to new find_entities_filtered working on whole surface.
		- retrieve wagons if mod changes (possible wagon mod uninstalled)
1.0.1	- minor fixes
1.0.0	- Initial release.