ÅÄÖ in .NET Class names + WebJobsStartup/DI crashes the host

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When running Azure Functions locally using the `func` CLI.
I don't know if this is related to the CLI or to the runtime itself, so I will post here.

If your functions project meet the following conditions:

1. There is a class name with ÅÄÖ, this does not need to be a function class name but any class
2. You use `WebJobsStartup` for dependency injection
3. The project is proper compiled C#, not csx
4. (this is on Mac and dotnet 2.1)

When you try to start the project locally using `func host start` it will start to boot but fail with :

```
[2019-03-24 16:10:23] Building host: startup suppressed:False, configuration suppressed: False
[2019-03-24 16:10:23] Reading host configuration file '/Users/rogerjohansson/Git/DotnetFunctions/bin/output/host.json'
[2019-03-24 16:10:23] Host configuration file read:
[2019-03-24 16:10:23] {
[2019-03-24 16:10:23] "version": "2.0"
[2019-03-24 16:10:23] }
[2019-03-24 16:10:23] A host error has occurred
[2019-03-24 16:10:23] System.Private.CoreLib: Exception of type 'System.OutOfMemoryException' was thrown.
Value cannot be null.
Parameter name: provider
Application is shutting down...
```

Renaming any class with ÅÄÖ to AAO makes it work fine.