Added a new optional constructor to add the ServerName element
Added the configuration setting for testing servername
Updated all requests to have the new constructor.
Merge pull request #3 from BFrench81/addServerNameToRequests

Add ServerName Element to Requests
Update License to include ASR and Brian F.
Update README.md

Add the URLs from https://github.com/asrpro/OpenTrack.NET/blob/master/OpenTrack.Lib/OpenTrackAPI.cs#L13-L26