More complete maxContent handling, browser tests

Update deps

Update error handling, bump to 4.0.0

Add httpError, set it and httpCode on all errors

Add httpCode to custom errors

Release 3.1.0, includes axios error filtering

Add auto autoPostSearch, release 3.0.0

Update axios to 1.x.x, use yarn, 3.0.0-beta.1

Release 2.0.0

Make positional argument shifting more robust