Nuget Package v2.0.2

Fixing handling of Gamertag and Xuid responses

Updating package version to 2.0.2.

Nuget Package v2.0.1

Changing XboxAPI class name to XboxAPIClient

Updating XboxAPI class name to XboxAPIClient to avoid ambiguity between
 XboxAPI namespace and class.
Fixing incorrectly defined namespaces for Models
Updating version number from 1.0.0 to 2.0.1 due to breaking changes.

Nuget Package v1.0.0

Nuget release 1.0.0

Configuring project to build Nuget package and bumping version to 1.0.0.
Adding LICENSE (MIT) to project and including in package.