* Adjust quickstart guide to reflect changes

* Tweaks to audio docs

* Make it more obvious that -1 means infinity

In the previous section of the tutorial https://github.com/RogueException/Discord.Net/blob/dev/docs/guides/getting_started/samples/intro/client.cs, the client it a global variable with an underscore

* Remove saving Console.ForegroundColor to a local

* Add message handler checks

* Add comment explaining that there's two differently named methods to add modules

* Add comment about the Commands package

* Add Exception property to log handler

* Update client.cs

Let's not have the client be a local variable, hm?

* Update complete.cs

* Update complete.cs

* Update client.cs and complete.cs

Let's not have the client be a local variable, hm?