def exportValue(self, vf, value):
        m = StrStrHashMap(value)
        keysAndValues = []
        for i in m.keys():
            keysAndValues.append(i)
            keysAndValues.append(m[i])
def chunkstring(s, n):
    return [ s[i:i+n] for i in xrange(0, len(s), n) ]