## 0.5 (17/12/2015)

* Adds support for Guzzle 6


## 0.3 (23/10/2015)

### Changes

* allows the setting of subjects on the service account after the fact


## 0.2-alpha (9/10/2015)

### Changes

* adds AppIdentityCredentials


## 0.1-alpha (16/09/2015)

### Changes

* ensures AuthTokenFetcher receives the Guzzle Client passed to getFetcher
