SheatNoisette

//Simple string iterator for 'for' loops
//Based on the work by Mark Knol, modifed by SheatNoisette.
//https://github.com/HaxeFoundation/code-cookbook
//Creative Common By Attribution 4.0

class StringIterator {

    var input:String;
    var step:Int;
    var index:Int;

SheatNoisette

from PIL import Image
import sys


def addUnique(l,item):
	if item not in l:
		l.append(item)
	return l

def convertImage(image):