Update NSubstitute (#149)
Update NSubstitute (#149)

Update NSubstitute
 to new major version, 3.0.1
Appears to still work
AnthonySteele/NuKeeper,AnthonySteele/NuKeeper,NuKeeperDotNet/NuKeeper,skolima/NuKeeper,AnthonySteele/NuKeeper,NuKeeperDotNet/NuKeeper,AnthonySteele/NuKeeper,skolima/NuKeeper,skolima/NuKeeper,skolima/NuKeeper,NuKeeperDotNet/NuKeeper,NuKeeperDotNet/NuKeeper