Generate updated NuGet package

[david-c-kline]

Given PR #215's improvements and other recent changes (PR #213, #211) we should create an updated NuGet package so that clients can easily take advantage of the fixes and additions

[dotMorten]

If you do that, do you mind including the XML doc too? Really annoying not getting intellisense. Especially now that it's actually all documented.

[hpsin]

Great suggestion - I'll look up how to add those docs.
@davidkline-ms - I want to get the ETW API working with arbitrary payloads before a new release. That said, yes, absolutely.

[dotMorten]

Just check on "xml documentation" in the build settings. In the nuget package, all you need to do is place the .xml file next to the .dll.

[hpsin]

This was done with v0.9.4