[PyKDE] Eric 3.9 reopen last project

[Sundance]

I heard Andreas Pakulat said:

> > The last project should be the topmost entry.
>
> Seems I should've added: automatically upon startup :-)

Please don't! :) Some can have several ongoing projects at once and 
don't necessarily want to work on the last one opened when they fire up 
Eric3.

However, making it a command line option would probably be a good idea. 
What do you think, Detlev?

-- S.