* Update many modules.
go get -u golang.org/x/net
go get -u github.com/aws/aws-sdk-go
go get -u golang.org/x/oauth2
go get -u google.golang.org/api
go get -u gopkg.in/yaml.v2
go mod tidy
* Update modules
go get -u github.com/tiramiseb/go-gandi
go get -u github.com/miekg/dns
go mod tidy
* govendor gopkg.in/yaml.v2
* Ignore YAML and BIND test data litter. Create README.txt files to force git to create subdirectories.
* Update convertzone to also read OctoDNS files
* add ns1 libs to vendor
* Create shim and wire into tests
* ns1 provider more working.
* vendor correct files
* comment diff functions
* ns1 docs
* making mx work with ns1
* ?
* refactor tests to make capability blocks easier. fix up ns1
