Commented Task: Add missing fields for the UserClass [2207]

Created_At, Profile_Banner_URL, Withheld_Countried, WithheldScope, Entities

https://dev.twitter.com/docs/platform-objects/users
Comments: Associated with changeset 36515: Version 0.9.3.0
- Added missing data to the User class
- Added UserEntities.
+ Added Description field
+ Added Url field
+ Potentially other fields were not added because the documentation is not descriptive enough.