new:
- added compatibility to custom heads. For example:
icon: eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYjBhN2I5NGM0ZTU4MWI2OTkxNTlkNDg4NDZlYzA5MTM5MjUwNjIzN2M4OWE5N2M5MzI0OGEwZDhhYmM5MTZkNSJ9fX0=
this will show a coin (custom head texture).
fixes:
- nullpointer exception:
https://github.com/PluginBugs/Issues-ItemsAdder/issues/617