Consul.Net 1.6.1

Changelog

• Upgrade to .NET 4.6.1 and .NET Core 2.0
• Add missing code documentation
• General cleanup
• Make unit tests run on .NET framework
• Added new Token, Policy and Role API Entry points to reflect the ACL changes made in Consul 1.4.0 and 1.5.0
• Aligned to Consul API 1.6.1

➡️ Available on the NuGet Gallery