Store history in localStorage
History storage tests
Limit history size in localStorage
Improve shell initialization to work better with more than one shell on the page at a time.
Fixes #83
Fail gracefully when localStorage is not available
Merge pull request #195 from rcchan/localstorage

Fixes #180
Clean up tests and remove remaining elements from the DOM.
Remove extra comment. Clean up init spec.
Merge pull request #196 from FuegoFro/multiple_session_ids

Improve shell initialization to work better with more than one shell on ...