Finished up the client-side code for the command stream, though it's not yet hooked upto anything
Added a 'command' driver, which right now is identical to the console driver
More work on the 'command' driver
Changed how errors work in the command protocol; got rid of the confusing 'status' field, there's no a special packet, COMMAND_ERROR, for error messages
Hooked up some *very* basic command functionality, so far so good