1) pick up this patch: algesten/ureq#9
2) avoid connection pool as closing connections barfs it: algesten/ureq#10
it's significantly easier to switch http client
After reqwest broke everything, seanmonstar/reqwest#538 ,
it's easier to just drop them, and switch to a reasonable http client
which doesn't try and do anything insane inside, breaking everyone.
remove #[macro_use] in most cases