Text overlaps cover if CG is loaded while track is playing

[Mackenan Grassi]

If you run CoverGloobus while a track with a long title (or album or artists name) is already playing, that text will overlap the cover image. The same issue can be seen if a track with a long title is playing (and CoverGloobus is already loaded) and you open the config, then hit cancel. I'm using the MCF theme (I downloaded it from Deviantart). Once the track changes, everything displays correctly.

It looks like the text is applied to the window before the ellipsize, maxchar, and other attributes are applied from the theme. I think the change_text call should happen later in the add_text function. I've attached a diff file that shows that simple change (moving the location of the change_text call). With this change, everything seems to load correctly from the start.