Link to the user manual is in the README file + on "Help" page of X-Payments admin back-end since v1.0.5 released.
Anyway, thank you for bringing this to our attention. If such questions appear - we have an issue somewhere and need to think about it.
Originally Posted by carpeperdiem
Maybe the docs in the distribution should simply point here? I fell into the same traps as others... and I think not having this staring me in the face was a contributing factor. Wish I had it 2 weeks ago.
Thanks for sharing. It's now bookmarked.