* intitial work for bind refactor
* relax requirement that creds.json exists.
* Updating bind docs.
Fixes#48
* typo
* can exclude provider from default set in creds.json
* Add bind to integration tests. Fix for IDNs.
* integration test started
* details
* More tests.
* idn tests and punycode (not tested fully because I'm on an aiplane)
* test for dual provider compatibility
* readme for tests
* vendor idna
* fix casing