Store Sequences in localStorage

[stanleenwosu]

This feature will enable users store sequences for later

[afuh]

Thank you very much for the PR, it's a great idea!!
However, it doesn't work properly in my case, the behaviour is bit buggy. I've tested it on different machines and browsers, and it has given me unexpected results every time.

btw, cool avatar :)

[stanleenwosu]

Thanks for the reply, will work on it and run tests to make sure it works properly. Thanks