Dreadkyller

Constant NullReferenceException in GitHub.Unity.Window.Update()

13

### Prerequisites Trace logging is enabled, here is the log file contents: ``` 190801-21:46:36.726 INFO [ 1] Initializing GitHubForUnity:'v1.4.0' Unity:'v2019.2.0f1' 190801-21:46:36.764 TRACE [150] Download of http://github-vs.s3.amazonaws.com/unity/latest.json to C:\Users\user\AppData\Local\GitHubUnity\latest.json Attempt 1...

[FEATURE] Support types with contravariance

5

### Feature destription Given a structure like the following: ```cs interface IAction where T : IActor { ... } interface IActorAction : IAction { } interface IStandardActorAction: IAction { }...