Instagram node

This is my attempt on the Instagram node. Current example is showing the query node. Comments are welcome. I'll squash commits once we get this work into a pullable state. Thanks

The pull request is now ready @knolleary .
I disagree. Taking a "fetch everything" approach that takes longer and requires more requests than is necessary, just in case we choose to do something different in the future is not a good justification.

I would also hope that any such 'little details' would get caught by the crazy notion of testing any changes made... ;)

I would rather it was changed, but I'll let you make the final decision.