Apologies - I did read the first half of that post and thought the rest was getting too far down the process to apply to me.
the error I don't think I can copy & paste - its friggin huge.
But as always, as soon as I posted a question I think I figured part of it out. I was just frustrated after 30 minutes of messing about that I hadn't gotten anywhere. I moved where i was putting the code outside of the setup/loop functions and it started working better for me.
I did restart the IDE after installing the library.
I'm not 100% sure what the errors where, I started a fresh sketch to attempt to understand how to use the library and now I'm making a bit of progress.
I'll be happy to plug away at it a bit more now and I'll post back when I hit the next wall. Thanks for the super fast reply!