0.2.0

* upgrade to bit.ly API version 4.0.0
* upgrade to Ruby 3
* remove login + password + api_key, replace with Authentication Token (token)
* the 'stats' and 'errors' methods are obsolete
* a `TOKEN` environment variable must be passed to the Test Suite

0.1.1

* the build never included 'bitly4r.gemspec'

0.1.0

* Initial gem release of 0.1 coebase.