Are you trying to list somewhere else then bittrex?
It is a very big exchange yes but it has very big problems for some time and i don't want to use there.
Indeed bittrex has very seriousness problems since while and XEL team should put in considering to add XEL on other exchanges.
what kind of problems do you mean? I have been trading there for almost 4 years, never had any problem.
Yet, I gues the most important is to focus on the development first, and then to think about the exchanges, not the other way.