DudeKicksButt

As there is currently an unofficial module (v2) that is currently in use by some, will it be possible to transition a foundry world from that module to this official module? Or will those worlds have to be rebuilt from scratch in this new module? I know this is more a limitation of Foundry than it is anything module related. The same question would go for the unpaid and paid versions of the module, if you make a world in the unpaid version, would it be possible to transition it to the paid version eventually?