Release 4.2.0 (#126)

* Prep for release 4.2.

* Remove RC tag from release md.

Removed RC indicator after nuget upload.

Released 4.0.0 nuget.

Nuget 3.5.0 released.

Not an RC.

V3.3.0 (#66)

* Version 3.3.0.

* Not an RC.

Nuget v3.2.0 released.

Removed RC words since nuget is uploaded.

Removed RC status.

No more release candidate. Released.