Show database list in left pane on initial app load.
Usually when I use Squel, I'm in a hurry to run an ad-hoc query. When I open, I'd like to see the database list in the left tab that transforms back to the object list when a database is selected. I find having to click on the database dropdown list cumbersome.
That or auto-connect to last database open on that server (last one would be even better)