Indexer.Indexer throws C# exceptions
Indexer.Index throws C# exceptions

See #1
Index.WriteIndex throws C# exceptions

See #1
Index.VideoSource throws C# exceptions

See #1
Let's not forget unit testing
Index.AudioSource throws C# exceptions

See #1
Track.WriteTimecodes throws C# exceptions

See #1
VideoSource.SetInputFormat throws C# exceptions

See #1

There is no test for this one, because I don't know how to actually make
it error. How insane does it have to be!?
VideoSource.GetFrame throws C# exceptions

See #1

I don't know what exceptions these two can throw -- if any.
AudioSource.GetAudio throws C# exceptions

See #1

No test for this one either; I don't have any test file with "severely
broken seeking."
Bye bye, ErrorHandling.cs

Fixes #1
FFMSsharp -> FFMSSharp

The result of another Code Analysis pass.