Updating base url from xboxapi.net to xapi.us (#4)

Fixing version range for external dependencies (#3)

Fixing version range for external dependencies using wildcards.
Bumping version of package from 2.0.3 to 2.0.4.

Replacing '\' character in unit test with forward slash for compatibi…

…lity with Linux

Fixing handling of Gamertag and Xuid responses

Updating package version to 2.0.2.

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 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.