* Auto-connect on connection loss, and work with socket.io 1.0.x
* Re-fetch the snapshot on server reconnect
* Warn the user against editing when disconnected from the server.
* Fix icon image loading issue, and let the user know when the session key is wrong. Closes #91
* 0.20140530.0
* Fix "object vex not found" when vex.js is not included (as e.g. on Sheetnode). #94