moved `also_prune` to querystring in tips.json; added tests
check for auth header before session token
fixing qs call to not throw 400 bad request
Merge branch 'master' into also_prune
fixed bad_platform test so it is passing
adding more tests
Merge branch 'master' into also_prune
Reformat to keep line length manageable

We haven't finalized what our line length is going be yet, but it's
going to be less than whatever we were using here.
Update README for fixed also_prune

Make it clear that we take also_prune from the querystring, not the
body.