Add a delay marker to delayed messages so that we can more easily tell if it's delayed or not.
Update tests to match new default value
Merge pull request #315 from melissanoelle/feature/add_delay_to_messages

Add a delay marker to delayed messages
Add an option for whether or not someone wants to disconnect automatically when all tabs are closed.
Merge pull request #324 from melissanoelle/feature/do_not_auto_disconnect

Fix Autodisconnect On All Tabs Closed