Method addAll

src/main/java/gregapi/code/ItemStackSet.java:95–98

(Collection<? extends ItemStackContainer> c)

		return aStack != null && mMap.put(aStack, OBJECT) == null;
	}
	@Override
	public boolean addAll(Collection<? extends ItemStackContainer> c) {
		return c != null && super.addAll(c);
	}
	@Override
	public boolean remove(Object aStack) {
		return mMap.remove(aStack) == OBJECT;