Tryton - Issues

I think all the configuration should be stored in the localstorage of the browser (similar the configuration file of tryton).
https://developer.mozilla.org/en-US/docs/Web/API/Storage/LocalStorage
I think it can be used safely: https://caniuse.com/#search=Storage

I think the session key could be stored in the sessionStorage to survive to a reload: https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage